diff --git a/wxPython/src/_sound.i b/wxPython/src/_sound.i
index c91c6a91eb..f00622cb77 100644
--- a/wxPython/src/_sound.i
+++ b/wxPython/src/_sound.i
@@ -96,6 +96,7 @@ public:
             PyErr_SetString(PyExc_NotImplementedError,
                             "Create from data  is not available on this platform.");
             wxPyEndBlockThreads();
+            return False;
         }
     }
 #endif
diff --git a/wxPython/src/mac/misc_wrap.cpp b/wxPython/src/mac/misc_wrap.cpp
index bf5a8c27be..2df44bb2a9 100644
--- a/wxPython/src/mac/misc_wrap.cpp
+++ b/wxPython/src/mac/misc_wrap.cpp
@@ -717,6 +717,7 @@ bool wxSound_Create__SWIG_1(wxSound *self,int size,wxByte const *data){
             PyErr_SetString(PyExc_NotImplementedError,
                             "Create from data  is not available on this platform.");
             wxPyEndBlockThreads();
+            return False;
         }
 void Sound_Stop(){}