1 files changed, 6 insertions, 1 deletions
diff --git a/sky/control.h b/sky/control.h
index 29111b3f74..2c7e55f069 100644
--- a/sky/control.h
+++ b/sky/control.h
@@ -25,6 +25,10 @@
 #include "common/stdafx.h"
 #include "common/scummsys.h"
 
+class OSystem;
+
+namespace Sky {
+
 class SkyDisk;
 class SkyScreen;
 class SkyLogic;
@@ -32,7 +36,6 @@ class SkyMouse;
 class SkyText;
 class SkyMusicBase;
 class SkySound;
-class OSystem;
 struct Compact;
 struct dataFileHeader;
 struct MegaSet;
@@ -296,4 +299,6 @@ private:
 	static uint8 _crossImg[594];
 };
 
+} // End of namespace Sky
+
 #endif // CONTROL_H