diff --git a/src/devices/cpu/powerpc/ppc_dasm.cpp b/src/devices/cpu/powerpc/ppc_dasm.cpp
index 50b015b1aff..aad939efffe 100644
--- a/src/devices/cpu/powerpc/ppc_dasm.cpp
+++ b/src/devices/cpu/powerpc/ppc_dasm.cpp
@@ -17,6 +17,7 @@
 
 #include "emu.h"
 #include "ppc_dasm.h"
+
 #include "ppccom.h"
 
 
diff --git a/src/devices/cpu/powerpc/ppccom.h b/src/devices/cpu/powerpc/ppccom.h
index ecd8e87000c..97c0661afac 100644
--- a/src/devices/cpu/powerpc/ppccom.h
+++ b/src/devices/cpu/powerpc/ppccom.h
@@ -7,14 +7,11 @@
     Common PowerPC definitions and functions
 
 ***************************************************************************/
+#ifndef MAME_CPU_POWERPPC_PPCCOM_H
+#define MAME_CPU_POWERPPC_PPCCOM_H
 
 #pragma once
 
-#ifndef __PPCCOM_H__
-#define __PPCCOM_H__
-
-#include "ppc.h"
-
 
 /***************************************************************************
     DEBUGGING
@@ -478,5 +475,4 @@ enum
 extern offs_t ppc_dasm_one(std::ostream &stream, uint32_t pc, uint32_t op);
 
 
-
-#endif /* __PPCCOM_H__ */
+#endif // MAME_CPU_POWERPPC_PPCCOM_H