diff --git a/src/plugins/qtsupport/qtoptionspage.cpp b/src/plugins/qtsupport/qtoptionspage.cpp
index 9667a5aa89e..30290d76987 100644
--- a/src/plugins/qtsupport/qtoptionspage.cpp
+++ b/src/plugins/qtsupport/qtoptionspage.cpp
@@ -116,6 +116,8 @@ public:
 
     void setIcon(const QIcon &icon)
     {
+        if (m_icon.cacheKey() == icon.cacheKey())
+            return;
         m_icon = icon;
         update();
     }