diff --git a/Makefile b/Makefile
index 850cc46301..3eead7a118 100644
--- a/Makefile
+++ b/Makefile
@@ -39,7 +39,6 @@ CC         := gcc
 CFLAGS     := -Os -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
 	      -Werror-implicit-function-declaration -Wstrict-aliasing \
 	      -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer \
-	      -nostdinc -isystem `gcc -print-file-name=include` \
 	      -mpreferred-stack-boundary=2 -mregparm=3 -pipe
 # FIXME: Does stack boundary or regparm break the code on real hw?
 
@@ -103,6 +102,8 @@ OBJCOPY := $(OBJCOPY_$(ARCH))
 CPPFLAGS := $(LINUXBIOSINCLUDE)
 CFLAGS += $(LINUXBIOSINCLUDE)
 
+CFLAGS += -nostdinc -isystem `$(CC) -print-file-name=include`
+
 include lib/Makefile
 include device/Makefile
 include console/Makefile