diff -r 56cd8111b7f7 -r 41300fa6a67c src/gui/widgets/qcommandlinkbutton.cpp
--- a/src/gui/widgets/qcommandlinkbutton.cpp	Tue Jan 26 12:42:25 2010 +0200
+++ b/src/gui/widgets/qcommandlinkbutton.cpp	Tue Feb 02 00:43:10 2010 +0200
@@ -326,7 +326,8 @@
     Q_D(const QCommandLinkButton);
     int heightWithoutDescription = d->descriptionOffset() + d->bottomMargin();
     // find the width available for the description area
-    return heightWithoutDescription + d->descriptionHeight(width);
+    return qMax(heightWithoutDescription + d->descriptionHeight(width),
+                iconSize().height() + d->topMargin() + d->bottomMargin());
 }
 
 /*! \reimp */