diff --git a/doomsday/sdk/libcore/include/de/widgets/widget.h b/doomsday/sdk/libcore/include/de/widgets/widget.h
index 0bbc1610ea..8d484149c8 100644
--- a/doomsday/sdk/libcore/include/de/widgets/widget.h
+++ b/doomsday/sdk/libcore/include/de/widgets/widget.h
@@ -139,7 +139,7 @@ class DENG2_PUBLIC Widget
 
     void show(bool doShow = true);
     inline void hide() { show(false); }
-    void enable(bool yes = true)   { setBehavior(Disabled, yes); }
+    void enable(bool yes = true)   { setBehavior(Disabled, !yes); }
     void disable(bool yes = true)  { setBehavior(Disabled, yes); }
 
     inline bool isHidden() const   { return hasFamilyBehavior(Hidden); }