diff --git a/Makefile b/Makefile
index d53c062..403ac56 100644
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,7 @@ endif
 
 HAVESREA:=$(shell if $(CC) -mno-stackrealign -c /dev/null -o /dev/null >/dev/null 2>/dev/null;then echo yes;else echo no;fi)
 ifeq ("$(HAVESREA)","no")
-CFLAGS:=$(filter-out $(CFLAGS),-mno-stackrealign)
+CFLAGS:=$(filter-out -mno-stackrealign,$(CFLAGS))
 endif
 
 PKG_CONFIG?=pkg-config