diff --git a/arch/c6x/Makefile b/arch/c6x/Makefile
index 6b0be670ddfabc5c49c64320f8be1fe455ba9acf..6f6096ff05a462182797cc75587f70c7d6286a53 100644
--- a/arch/c6x/Makefile
+++ b/arch/c6x/Makefile
@@ -12,7 +12,7 @@ cflags-y += -mno-dsbt -msdata=none -D__linux__
 
 cflags-$(CONFIG_C6X_BIG_KERNEL) += -mlong-calls
 
-CFLAGS_MODULE   += -mlong-calls -mno-dsbt -msdata=none
+KBUILD_CFLAGS_MODULE   += -mlong-calls -mno-dsbt -msdata=none
 
 CHECKFLAGS      +=