diff --git a/src/Gui/AboutApplication.ui b/src/Gui/AboutApplication.ui
index d3f530546cc1..d866efcc921d 100644
--- a/src/Gui/AboutApplication.ui
+++ b/src/Gui/AboutApplication.ui
@@ -88,7 +88,7 @@
        <item>
         <widget class="Gui::UrlLabel" name="labelAuthor">
          <property name="text">
-          <string notr="true">&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;/head&gt;&lt;body style=&quot; white-space: pre-wrap; font-family:MS Shell Dlg 2; font-size:7.8pt; font-weight:400; font-style:normal; text-decoration:none;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;span style=&quot; font-weight:600; text-decoration: underline; color:#0000ff;&quot;&gt; Unknown Application (c) Unknown Author&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-family: MS Shell Dlg 2; font-weight:600; text-decoration: underline; color:#0000ff;&quot;&gt; Unknown Application (c) Unknown Author&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
         </widget>
        </item>
@@ -125,7 +125,7 @@
        <item row="4" column="1">
         <widget class="QLabel" name="labelBuildPlatform">
          <property name="text">
-          <string notr="true">&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;/head&gt;&lt;body style=&quot; white-space: pre-wrap; font-family:MS Shell Dlg 2; font-size:7.8pt; font-weight:400; font-style:normal; text-decoration:none;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-family: MS Shell Dlg 2; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
         </widget>
        </item>
@@ -139,14 +139,14 @@
        <item row="1" column="1">
         <widget class="QLabel" name="labelBuildRevision">
          <property name="text">
-          <string notr="true">&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;/head&gt;&lt;body style=&quot; white-space: pre-wrap; font-family:MS Shell Dlg 2; font-size:7.8pt; font-weight:400; font-style:normal; text-decoration:none;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-family: MS Shell Dlg 2; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
         </widget>
        </item>
        <item row="2" column="1">
         <widget class="QLabel" name="labelBuildDate">
          <property name="text">
-          <string notr="true">&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;/head&gt;&lt;body style=&quot; white-space: pre-wrap; font-family:MS Shell Dlg 2; font-size:7.8pt; font-weight:400; font-style:normal; text-decoration:none;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-family: MS Shell Dlg 2; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
         </widget>
        </item>
@@ -160,7 +160,7 @@
        <item row="0" column="1">
         <widget class="QLabel" name="labelBuildVersion">
          <property name="text">
-          <string notr="true">&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;/head&gt;&lt;body style=&quot; white-space: pre-wrap; font-family:MS Shell Dlg 2; font-size:7.8pt; font-weight:400; font-style:normal; text-decoration:none;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-family: MS Shell Dlg 2; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
         </widget>
        </item>
@@ -181,14 +181,14 @@
        <item row="6" column="1">
         <widget class="QLabel" name="labelBuildBranch">
          <property name="text">
-          <string notr="true">&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;/head&gt;&lt;body style=&quot; white-space: pre-wrap; font-family:MS Shell Dlg 2; font-size:7.8pt; font-weight:400; font-style:normal; text-decoration:none;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-family: MS Shell Dlg 2; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
         </widget>
        </item>
        <item row="7" column="1">
         <widget class="QLabel" name="labelBuildHash">
          <property name="text">
-          <string notr="true">&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;/head&gt;&lt;body style=&quot; white-space: pre-wrap; font-family:MS Shell Dlg 2; font-size:7.8pt; font-weight:400; font-style:normal; text-decoration:none;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-family: MS Shell Dlg 2; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
         </widget>
        </item>
@@ -209,7 +209,7 @@
        <item row="3" column="1">
         <widget class="QLabel" name="labelBuildOS">
          <property name="text">
-          <string notr="true">&lt;html&gt;&lt;head&gt;&lt;meta name=&quot;qrichtext&quot; content=&quot;1&quot; /&gt;&lt;/head&gt;&lt;body style=&quot; white-space: pre-wrap; font-family:MS Shell Dlg 2; font-size:7.8pt; font-weight:400; font-style:normal; text-decoration:none;&quot;&gt;&lt;p style=&quot; margin-top:0px; margin-bottom:0px; margin-left:0px; margin-right:0px; -qt-block-indent:0; text-indent:0px; font-size:8pt;&quot;&gt;&lt;span style=&quot; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
+          <string notr="true">&lt;html&gt;&lt;head/&gt;&lt;body&gt;&lt;p&gt;&lt;span style=&quot; font-family: MS Shell Dlg 2; font-weight:600;&quot;&gt;Unknown&lt;/span&gt;&lt;/p&gt;&lt;/body&gt;&lt;/html&gt;</string>
          </property>
         </widget>
        </item>
diff --git a/src/Gui/Splashscreen.cpp b/src/Gui/Splashscreen.cpp
index bf207b38ead1..363b28c34fa0 100644
--- a/src/Gui/Splashscreen.cpp
+++ b/src/Gui/Splashscreen.cpp
@@ -280,6 +280,16 @@ static QString getOperatingSystem()
 
 void AboutDialog::setupLabels()
 {
+    //fonts are rendered smaller on Mac so point size can't be the same for all platforms
+    int fontSize = 8;
+#ifdef Q_OS_MAC
+    fontSize = 11;
+#endif
+    //avoid overriding user set style sheet
+    if (qApp->styleSheet().isEmpty()) {
+        setStyleSheet(QString::fromAscii("Gui--Dialog--AboutDialog QLabel {font-size: %1pt;}").arg(fontSize));
+    }
+    
     QString exeName = qApp->applicationName();
     std::map<std::string, std::string>& config = App::Application::Config();
     std::map<std::string,std::string>::iterator it;
@@ -317,7 +327,7 @@ void AboutDialog::setupLabels()
     platform.replace(QString::fromAscii("Unknown"),
         QString::fromAscii("%1-bit").arg(QSysInfo::WordSize));
     ui->labelBuildPlatform->setText(platform);
-
+    
     // branch name
     it = config.find("BuildRevisionBranch");
     if (it != config.end()) {