diff --git a/arch/parisc/math-emu/Makefile b/arch/parisc/math-emu/Makefile
index 1f3f225897f58a4ca5cd21479c7938c7d9300629..0bd63b08a79ac72f304f26d0d7bd3eea3317799d 100644
--- a/arch/parisc/math-emu/Makefile
+++ b/arch/parisc/math-emu/Makefile
@@ -3,7 +3,7 @@
 #
 
 # See arch/parisc/math-emu/README
-EXTRA_CFLAGS += -Wno-parentheses -Wno-implicit-function-declaration \
+ccflags-y := -Wno-parentheses -Wno-implicit-function-declaration \
 	-Wno-uninitialized -Wno-strict-prototypes -Wno-return-type \
 	-Wno-implicit-int