diff --git a/src/mac/carbon/uma.cpp b/src/mac/carbon/uma.cpp
index 6eea3bd062..5c1fbaddb1 100644
--- a/src/mac/carbon/uma.cpp
+++ b/src/mac/carbon/uma.cpp
@@ -80,10 +80,14 @@ void UMAInitToolbox( UInt16 inMoreMastersCalls )
 #endif
 		
 #ifndef __UNIX__
+#if TARGET_CARBON
+// Call currently implicitely done :		InitFloatingWindows() ;
+#else
 	if ( sUMAHasWindowManager )
 		InitFloatingWindows() ;
 	else
 		InitWindows();
+#endif
 #endif
 
 	if ( NavServicesAvailable() )
diff --git a/src/mac/uma.cpp b/src/mac/uma.cpp
index 6eea3bd062..5c1fbaddb1 100644
--- a/src/mac/uma.cpp
+++ b/src/mac/uma.cpp
@@ -80,10 +80,14 @@ void UMAInitToolbox( UInt16 inMoreMastersCalls )
 #endif
 		
 #ifndef __UNIX__
+#if TARGET_CARBON
+// Call currently implicitely done :		InitFloatingWindows() ;
+#else
 	if ( sUMAHasWindowManager )
 		InitFloatingWindows() ;
 	else
 		InitWindows();
+#endif
 #endif
 
 	if ( NavServicesAvailable() )