diff --git a/direct/src/ffi/genPyCode b/direct/src/ffi/genPyCode
index 79228e487f..0e88bc5df5 100755
--- a/direct/src/ffi/genPyCode
+++ b/direct/src/ffi/genPyCode
@@ -1,4 +1,4 @@
-#! /bin/sh
+#! /bin/bash
 
 # This is just a helper script to generatePythonCode to cover
 # the three or four cases we use all the time