diff --git a/gr-qtgui/grc/qtgui_number_sink.xml b/gr-qtgui/grc/qtgui_number_sink.xml
index e7b232e36fb..46b58f6298b 100644
--- a/gr-qtgui/grc/qtgui_number_sink.xml
+++ b/gr-qtgui/grc/qtgui_number_sink.xml
@@ -143,7 +143,7 @@ $(gui_hint()($win))</make>
     <hide>part</hide>
   </param>
   <param>
-    <name>max</name>
+    <name>Max</name>
     <key>max</key>
     <value>1</value>
     <type>float</type>
diff --git a/gr-qtgui/lib/numberdisplayform.cc b/gr-qtgui/lib/numberdisplayform.cc
index 0dd433c62bf..a199c35d4e3 100644
--- a/gr-qtgui/lib/numberdisplayform.cc
+++ b/gr-qtgui/lib/numberdisplayform.cc
@@ -377,6 +377,9 @@ NumberDisplayForm::setScale(int which, int min, int max)
   d_min[which] = min;
   d_max[which] = max;
   d_indicator[which]->setScale(min, max);
+#if QWT_VERSION < 0x060100
+  d_indicator[which]->setRange(min, max);
+#endif
 }
 
 void