diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 53f2d8774fdb..43cfd06bbeba 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -21,6 +21,7 @@
 #include <asm/cputype.h>
 #include <asm/mpu.h>
 #include <asm/procinfo.h>
+#include <asm/idmap.h>
 
 #include "mm.h"