5 files changed, 13 insertions, 13 deletions
diff --git a/engines/supernova/graphics.h b/engines/supernova/graphics.h
index a77ea20cf2..2a820c9432 100644
--- a/engines/supernova/graphics.h
+++ b/engines/supernova/graphics.h
@@ -20,8 +20,8 @@
  *
  */
 
-#ifndef GRAPHICS_H
-#define GRAPHICS_H
+#ifndef SUPERNOVA_GRAPHICS_H
+#define SUPERNOVA_GRAPHICS_H
 
 #include "common/scummsys.h"
 #include "image/image_decoder.h"
diff --git a/engines/supernova/msn_def.h b/engines/supernova/msn_def.h
index 2ed5cf59f8..ad28cd5bef 100644
--- a/engines/supernova/msn_def.h
+++ b/engines/supernova/msn_def.h
@@ -20,8 +20,8 @@
  *
  */
 
-#ifndef MSN_DEF_H
-#define MSN_DEF_H
+#ifndef SUPERNOVA_MSN_DEF_H
+#define SUPERNOVA_MSN_DEF_H
 
 namespace Supernova {
 
@@ -640,4 +640,4 @@ struct Object {
 
 }
 
-#endif // MSN_DEF_H
+#endif // SUPERNOVA_MSN_DEF_H
diff --git a/engines/supernova/rooms.h b/engines/supernova/rooms.h
index 3795842b49..a16f57ee52 100644
--- a/engines/supernova/rooms.h
+++ b/engines/supernova/rooms.h
@@ -20,8 +20,8 @@
  *
  */
 
-#ifndef ROOMS_H
-#define ROOMS_H
+#ifndef SUPERNOVA_ROOMS_H
+#define SUPERNOVA_ROOMS_H
 
 #include "common/scummsys.h"
 
@@ -1385,4 +1385,4 @@ private:
 };
 
 }
-#endif // ROOMS_H
+#endif // SUPERNOVA_ROOMS_H
diff --git a/engines/supernova/state.h b/engines/supernova/state.h
index 674624d17d..17d11e0533 100644
--- a/engines/supernova/state.h
+++ b/engines/supernova/state.h
@@ -20,8 +20,8 @@
  *
  */
 
-#ifndef STATE_H
-#define STATE_H
+#ifndef SUPERNOVA_STATE_H
+#define SUPERNOVA_STATE_H
 
 #include "common/rect.h"
 #include "common/keyboard.h"
@@ -231,4 +231,4 @@ private:
 
 }
 
-#endif // STATE_H
+#endif // SUPERNOVA_STATE_H
diff --git a/engines/supernova/supernova.h b/engines/supernova/supernova.h
index 29d7dd678b..d41467c719 100644
--- a/engines/supernova/supernova.h
+++ b/engines/supernova/supernova.h
@@ -20,8 +20,8 @@
  *
  */
 
-#ifndef SUPERNOVA_H
-#define SUPERNOVA_H
+#ifndef SUPERNOVA_SUPERNOVA_H
+#define SUPERNOVA_SUPERNOVA_H
 
 #include "audio/audiostream.h"
 #include "audio/mixer.h"