diff --git a/drivers/renesas/rcar/pwrc/pwrc.h b/drivers/renesas/rcar/pwrc/pwrc.h
index e67c6ef..2b81783 100644
--- a/drivers/renesas/rcar/pwrc/pwrc.h
+++ b/drivers/renesas/rcar/pwrc/pwrc.h
@@ -38,7 +38,7 @@
 #define	RCAR_CLUSTER_CA53	(1U)
 #define	RCAR_CLUSTER_CA57	(2U)
 
-#ifndef __ASSEMBLY__
+#ifndef __ASSEMBLER__
 void rcar_pwrc_disable_interrupt_wakeup(uint64_t mpidr);
 void rcar_pwrc_enable_interrupt_wakeup(uint64_t mpidr);
 void rcar_pwrc_clusteroff(uint64_t mpidr);