diff --git a/drivers/gpu/drm/amd/amdgpu/iceland_smum.h b/drivers/gpu/drm/amd/amdgpu/iceland_smum.h
index 1e0769e110fa3a6e9e40580f5809ea6fdd26d16c..5983e3150cc53268b9a7249542bd42342d02bf00 100644
--- a/drivers/gpu/drm/amd/amdgpu/iceland_smum.h
+++ b/drivers/gpu/drm/amd/amdgpu/iceland_smum.h
@@ -21,8 +21,8 @@
  *
  */
 
-#ifndef ICELAND_SMUMGR_H
-#define ICELAND_SMUMGR_H
+#ifndef ICELAND_SMUM_H
+#define ICELAND_SMUM_H
 
 #include "ppsmc.h"