diff --git a/images/theme_originals/mActionDecreaseBrightness.svg b/images/theme_originals/mActionDecreaseBrightness.svg
diff --git a/images/theme_originals/mActionDecreaseContrast.svg b/images/theme_originals/mActionDecreaseContrast.svg
diff --git a/images/theme_originals/mActionIncreaseBrightness.svg b/images/theme_originals/mActionIncreaseBrightness.svg
diff --git a/images/theme_originals/mActionIncreaseContrast.svg b/images/theme_originals/mActionIncreaseContrast.svg
diff --git a/images/themes/default/mActionDecreaseBrightness.svg b/images/themes/default/mActionDecreaseBrightness.svg
diff --git a/images/themes/default/mActionDecreaseContrast.svg b/images/themes/default/mActionDecreaseContrast.svg
diff --git a/images/themes/default/mActionIncreaseBrightness.svg b/images/themes/default/mActionIncreaseBrightness.svg
diff --git a/images/themes/default/mActionIncreaseContrast.svg b/images/themes/default/mActionIncreaseContrast.svg
diff --git a/images/themes/gis/mActionDecreaseBrightness.svg b/images/themes/gis/mActionDecreaseBrightness.svg
diff --git a/images/themes/gis/mActionDecreaseContrast.svg b/images/themes/gis/mActionDecreaseContrast.svg
diff --git a/images/themes/gis/mActionIncreaseBrightness.svg b/images/themes/gis/mActionIncreaseBrightness.svg
diff --git a/images/themes/gis/mActionIncreaseContrast.svg b/images/themes/gis/mActionIncreaseContrast.svg
diff --git a/src/app/qgisapp.cpp b/src/app/qgisapp.cpp
@@ -1680,10 +1680,10 @@ void QgisApp::setTheme( QString theThemeName )
   mActionHelpContents->setIcon( QgsApplication::getThemeIcon( "/mActionHelpContents.png" ) );
   mActionLocalHistogramStretch->setIcon( QgsApplication::getThemeIcon( "/mActionLocalHistogramStretch.png" ) );
   mActionFullHistogramStretch->setIcon( QgsApplication::getThemeIcon( "/mActionFullHistogramStretch.png" ) );
-  //~ mActionIncreaseBrightness->setIcon( QgsApplication::getThemeIcon( "/mActionIncreaseBrightness.png" ) );
-  //~ mActionDecreaseBrightness->setIcon( QgsApplication::getThemeIcon( "/mActionDecreaseBrightness.png" ) );
-  //~ mActionIncreaseContrast->setIcon( QgsApplication::getThemeIcon( "/mActionIncreaseContrast.png" ) );
-  //~ mActionDecreaseContrast->setIcon( QgsApplication::getThemeIcon( "/mActionDecreaseContrast.png" ) );
+  mActionIncreaseBrightness->setIcon( QgsApplication::getThemeIcon( "/mActionIncreaseBrightness.svg" ) );
+  mActionDecreaseBrightness->setIcon( QgsApplication::getThemeIcon( "/mActionDecreaseBrightness.svg" ) );
+  mActionIncreaseContrast->setIcon( QgsApplication::getThemeIcon( "/mActionIncreaseContrast.svg" ) );
+  mActionDecreaseContrast->setIcon( QgsApplication::getThemeIcon( "/mActionDecreaseContrast.svg" ) );
   mActionZoomActualSize->setIcon( QgsApplication::getThemeIcon( "/mActionZoomNative.png" ) );
   mActionQgisHomePage->setIcon( QgsApplication::getThemeIcon( "/mActionQgisHomePage.png" ) );
   mActionAbout->setIcon( QgsApplication::getThemeIcon( "/mActionHelpAbout.png" ) );

diff --git a/src/ui/qgisapp.ui b/src/ui/qgisapp.ui
@@ -17,7 +17,7 @@
      <x>0</x>
      <y>0</y>
      <width>1050</width>
-     <height>23</height>
+     <height>24</height>
     </rect>
    </property>
    <widget class="QMenu" name="mEditMenu">
@@ -2020,21 +2020,37 @@ Acts on currently active editable layer</string>
    </property>
   </action>
   <action name="mActionIncreaseBrightness">
+   <property name="icon">
+    <iconset resource="../../images/images.qrc">
+     <normaloff>:/images/themes/gis/mActionIncreaseBrightness.svg</normaloff>:/images/themes/gis/mActionIncreaseBrightness.svg</iconset>
+   </property>
    <property name="text">
     <string>Increase brightness</string>
    </property>
   </action>
   <action name="mActionDecreaseBrightness">
+   <property name="icon">
+    <iconset resource="../../images/images.qrc">
+     <normaloff>:/images/themes/gis/mActionDecreaseBrightness.svg</normaloff>:/images/themes/gis/mActionDecreaseBrightness.svg</iconset>
+   </property>
    <property name="text">
     <string>Decrease brightness</string>
    </property>
   </action>
   <action name="mActionIncreaseContrast">
+   <property name="icon">
+    <iconset resource="../../images/images.qrc">
+     <normaloff>:/images/themes/gis/mActionIncreaseContrast.svg</normaloff>:/images/themes/gis/mActionIncreaseContrast.svg</iconset>
+   </property>
    <property name="text">
     <string>Increase contrast</string>
    </property>
   </action>
   <action name="mActionDecreaseContrast">
+   <property name="icon">
+    <iconset resource="../../images/images.qrc">
+     <normaloff>:/images/themes/gis/mActionDecreaseContrast.svg</normaloff>:/images/themes/gis/mActionDecreaseContrast.svg</iconset>
+   </property>
    <property name="text">
     <string>Decrease contrast</string>
    </property>