diff --git a/utils/wxPython/distrib/wxPython.rsp b/utils/wxPython/distrib/wxPython.rsp
index 63342115bb..4a6fc93634 100644
--- a/utils/wxPython/distrib/wxPython.rsp
+++ b/utils/wxPython/distrib/wxPython.rsp
@@ -18,6 +18,7 @@ wxPython/lib/sizers/*.txt
 wxPython/src/*.i
 wxPython/src/*.py
 wxPython/src/*.cpp
+wxPython/src/*.c
 wxPython/src/*.h
 wxPython/src/*.ico
 wxPython/src/*.def