diff --git a/utils/wxPython/src/build.cfg b/utils/wxPython/src/build.cfg
index 49034d5432..ee639bb729 100644
--- a/utils/wxPython/src/build.cfg
+++ b/utils/wxPython/src/build.cfg
@@ -100,7 +100,7 @@ rpm:
 
 OTHERRULES = OTHERRULES + """
 __version__.py: ../distrib/build.py  build.cfg
-	@echo ver = '$(VERSION)' > __version__.py
+	echo ver = \\'$(VERSION)\\' > __version__.py
 
 
 $(GENCODEDIR)/wx.py : _extras.py