--- a/cs/config/Make.rules.cs
+++ b/cs/config/Make.rules.cs
@@ -198,7 +198,7 @@
 ifneq ($(POLICY_TARGET),)
 
 $(assembliesdir)/$(POLICY_TARGET):
-	@printf -e " \
+	@printf \e " \
 <configuration> \n \
   <runtime> \n \
     <assemblyBinding xmlns=\"urn:schemas-microsoft-com:asm.v1\"> \n \
