diff --git a/arch/powerpc/platforms/pseries/rng.c b/arch/powerpc/platforms/pseries/rng.c
index a702f1c0824292286bc008300886955844ffc380..72a102758d4e5f54e8540b5e78e6417f1a23da3d 100644
--- a/arch/powerpc/platforms/pseries/rng.c
+++ b/arch/powerpc/platforms/pseries/rng.c
@@ -13,6 +13,7 @@
 #include <linux/of.h>
 #include <asm/archrandom.h>
 #include <asm/machdep.h>
+#include <asm/plpar_wrappers.h>
 
 
 static int pseries_get_random_long(unsigned long *v)