diff --git a/make/defs.mk b/make/defs.mk
index 80320e4d..cc9c952c 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -480,7 +480,7 @@ endif
 
 ifeq ($(USE_VALGRIND),true)
 	CFLAGS      += -include /usr/include/valgrind/memcheck.h -D_VALGRIND_
-	CPPFLAG     += -include /usr/include/valgrind/memcheck.h -D_VALGRIND_
+	CPPFLAGS    += -include /usr/include/valgrind/memcheck.h -D_VALGRIND_
 	# LDFLAGS   += 
 endif