diff --git a/trunk/public/build/buildtools/modulerules.add-ins.firm b/trunk/public/build/buildtools/modulerules.add-ins.firm
index c8950d0..afa7dfc 100644
--- a/trunk/public/build/buildtools/modulerules.add-ins.firm
+++ b/trunk/public/build/buildtools/modulerules.add-ins.firm
@@ -15,7 +15,7 @@
 # $Rev$
 # $Author$
 #----------------------------------------------------------------------------
-ifndef TWLSDK_MODULERULES_
+ifndef TWLSDK_MODULERULES_ADDIN_FIRM_
 
 #----------------------------------------------------------------------------
 .PHONY: 	firmtop firmlib firmdbg link
@@ -39,6 +39,6 @@ firmdbg:
 	@+$(REMAKE)
 
 #----------------------------------------------------------------------------
-TWLSDK_MODULERULES_ = TRUE
-endif	# TWLSDK_MODULERULES_
+TWLSDK_MODULERULES_ADDIN_FIRM_ = TRUE
+endif	# TWLSDK_MODULERULES_ADDIN_FIRM_
 #----- End of modulerules -----