diff --git a/desmume/src/cocoa/cocoa_globals.h b/desmume/src/cocoa/cocoa_globals.h
index a7d84afde..288aa2f6b 100644
--- a/desmume/src/cocoa/cocoa_globals.h
+++ b/desmume/src/cocoa/cocoa_globals.h
@@ -179,7 +179,8 @@
 #define FILE_EXT_CHEAT								"dct"
 #define FILE_EXT_ROM_SAVE_NOGBA						"sav*"
 #define FILE_EXT_ROM_SAVE_RAW						"sav"
-#define FILE_EXT_ACTION_REPLAY_SAVE					"duc"
+#define FILE_EXT_ACTION_REPLAY_SAVE					"dss"
+#define FILE_EXT_ACTION_REPLAY_MAX_SAVE				"duc"
 #define FILE_EXT_ROM_DS								"nds"
 #define FILE_EXT_ROM_GBA							"ds.gba"
 #define FILE_EXT_HW_IMAGE_FILE						"bin"
diff --git a/desmume/src/cocoa/userinterface/EmuControllerDelegate.mm b/desmume/src/cocoa/userinterface/EmuControllerDelegate.mm
index 23dc8564e..cddabbe63 100644
--- a/desmume/src/cocoa/userinterface/EmuControllerDelegate.mm
+++ b/desmume/src/cocoa/userinterface/EmuControllerDelegate.mm
@@ -691,7 +691,11 @@
 	[panel setResolvesAliases:YES];
 	[panel setAllowsMultipleSelection:NO];
 	[panel setTitle:NSSTRING_TITLE_IMPORT_ROM_SAVE_PANEL];
-	NSArray *fileTypes = [NSArray arrayWithObjects:@FILE_EXT_ROM_SAVE_RAW, @FILE_EXT_ACTION_REPLAY_SAVE, nil];
+	NSArray *fileTypes = [NSArray arrayWithObjects:
+						  @FILE_EXT_ROM_SAVE_RAW,
+						  @FILE_EXT_ACTION_REPLAY_SAVE,
+						  @FILE_EXT_ACTION_REPLAY_MAX_SAVE,
+						  nil];
 	
 	// The NSOpenPanel method -(NSInt)runModalForDirectory:file:types:
 	// is deprecated in Mac OS X v10.6.