diff --git a/headers/private/interface/BMCPrivate.h b/headers/private/interface/BMCPrivate.h
index dd59c70bc2..3fe04cdaf3 100644
--- a/headers/private/interface/BMCPrivate.h
+++ b/headers/private/interface/BMCPrivate.h
@@ -37,8 +37,7 @@ class _BMCMenuBar_ : public BMenuBar {
 public:
 								_BMCMenuBar_(BRect frame, bool fixedSize,
 									BMenuField* menuField);
-								_BMCMenuBar_(bool fixedSize,
-									BMenuField* menuField);
+								_BMCMenuBar_(BMenuField* menuField);
 								_BMCMenuBar_(BMessage* data);
 	virtual						~_BMCMenuBar_();
 
diff --git a/src/kits/interface/BMCPrivate.cpp b/src/kits/interface/BMCPrivate.cpp
index b6e6ef9748..05e36fcdac 100644
--- a/src/kits/interface/BMCPrivate.cpp
+++ b/src/kits/interface/BMCPrivate.cpp
@@ -69,11 +69,11 @@ _BMCMenuBar_::_BMCMenuBar_(BRect frame, bool fixedSize, BMenuField* menuField)
 }
 
 
-_BMCMenuBar_::_BMCMenuBar_(bool fixedSize, BMenuField* menuField)
+_BMCMenuBar_::_BMCMenuBar_(BMenuField* menuField)
 	:
-	BMenuBar("_mc_mb_", B_ITEMS_IN_ROW, !fixedSize),
+	BMenuBar("_mc_mb_", B_ITEMS_IN_ROW),
 	fMenuField(menuField),
-	fFixedSize(fixedSize),
+	fFixedSize(true),
 	fRunner(NULL),
 	fShowPopUpMarker(true)
 {