diff --git a/arch/avr32/Makefile b/arch/avr32/Makefile
index 22fb66590dcd0e6f7339c9723a9128eb078cdb06..dba48a5d5bb9db351ff62bafc23a62a7047b42b5 100644
--- a/arch/avr32/Makefile
+++ b/arch/avr32/Makefile
@@ -11,7 +11,7 @@ all: uImage vmlinux.elf
 
 KBUILD_DEFCONFIG	:= atstk1002_defconfig
 
-KBUILD_CFLAGS	+= -pipe -fno-builtin -mno-pic
+KBUILD_CFLAGS	+= -pipe -fno-builtin -mno-pic -D__linux__
 KBUILD_AFLAGS	+= -mrelax -mno-pic
 KBUILD_CFLAGS_MODULE += -mno-relax
 LDFLAGS_vmlinux	+= --relax