diff --git a/sc2/ChangeLog b/sc2/ChangeLog
index 83de5d75a..86d5cf9cc 100644
--- a/sc2/ChangeLog
+++ b/sc2/ChangeLog
@@ -1,4 +1,5 @@
 Changes towards version 0.7:
+- DUCK videos now play correctly after a video mode change; bug #734 - Alex
 - Cancel key will now quit out of the Manifest Menu (Bug #838) - Michael
 - Added -w and -x commandline options, to counter -f and -o; used these 
   to implement "Safe Mode" links in the Win32 installer (Bug #946)
diff --git a/sc2/src/sc2code/cleanup.c b/sc2/src/sc2code/cleanup.c
index 2c21610f1..df2b60701 100644
--- a/sc2/src/sc2code/cleanup.c
+++ b/sc2/src/sc2code/cleanup.c
@@ -53,7 +53,7 @@ FreeKernel (void)
 	DestroyDrawable (ReleaseDrawable (Screen));
 	DestroyContext (ReleaseContext (ScreenContext));
 
-	UninitVideo ();
+	UninitVideoPlayer ();
 	UninitSound ();
 	UninitGraphics ();
 }
diff --git a/sc2/src/sc2code/libs/video/video.c b/sc2/src/sc2code/libs/video/video.c
index 15a76a568..cc5b7eba8 100644
--- a/sc2/src/sc2code/libs/video/video.c
+++ b/sc2/src/sc2code/libs/video/video.c
@@ -25,7 +25,7 @@
 static VIDEO_REF _cur_video = NULL_VIDEO_REF;
 
 BOOLEAN
-InitVideo (BOOLEAN useCDROM)
+InitVideoPlayer (BOOLEAN useCDROM)
 		//useCDROM doesn't really apply to us
 {
 	TFB_PixelFormat fmt;
@@ -41,7 +41,7 @@ InitVideo (BOOLEAN useCDROM)
 }
 
 void
-UninitVideo ()
+UninitVideoPlayer (void)
 {
 	TFB_UninitVideoPlayer ();
 	VideoDecoder_Uninit ();
diff --git a/sc2/src/sc2code/libs/vidlib.h b/sc2/src/sc2code/libs/vidlib.h
index 8404d3238..11b9806b1 100644
--- a/sc2/src/sc2code/libs/vidlib.h
+++ b/sc2/src/sc2code/libs/vidlib.h
@@ -28,15 +28,10 @@ typedef enum
 	SOFTWARE_FMV
 } VIDEO_TYPE;
 
-#define MODES_UNDEFINED ((BYTE)~0)
-
 typedef DWORD VIDEO_REF;
 
-extern BOOLEAN InitVideo (BOOLEAN UseCDROM);
-extern void UninitVideo (void);
-
-extern BYTE SetVideoMode (BYTE new_mode);
-extern BYTE GetVideoMode (void);
+extern BOOLEAN InitVideoPlayer (BOOLEAN UseCDROM);
+extern void UninitVideoPlayer (void);
 
 extern VIDEO_REF LoadVideoFile (const char *pStr);
 extern BOOLEAN DestroyVideo (VIDEO_REF VideoRef);
diff --git a/sc2/src/sc2code/setup.c b/sc2/src/sc2code/setup.c
index e29f5615d..d894a88ee 100644
--- a/sc2/src/sc2code/setup.c
+++ b/sc2/src/sc2code/setup.c
@@ -96,7 +96,7 @@ LoadKernel (int argc, char *argv[])
 	if (!InitGraphics (argc, argv, MIN_K_REQUIRED))
 		return FALSE;
 	InitSound (argc, argv);
-	InitVideo (TRUE);
+	InitVideoPlayer (TRUE);
 
 	ScreenContext = CaptureContext (CreateContext ());
 	if (ScreenContext == NULL)
diff --git a/sc2/src/sc2code/setupmenu.c b/sc2/src/sc2code/setupmenu.c
index e68f51325..39cc73f5e 100644
--- a/sc2/src/sc2code/setupmenu.c
+++ b/sc2/src/sc2code/setupmenu.c
@@ -1289,8 +1289,10 @@ SetGlobalOptions (GLOBALOPTS *opts)
 	    (NewGfxFlags != GfxFlags)) 
 	{
 		FlushGraphics ();
+		UninitVideoPlayer ();
 		TFB_DrawScreen_ReinitVideo (NewDriver, NewGfxFlags, NewWidth, NewHeight);
 		FlushGraphics ();
+		InitVideoPlayer (TRUE);
 	}
 	optSubtitles = (opts->subtitles == OPTVAL_ENABLED) ? TRUE : FALSE;
 	// optWhichMusic = (opts->music == OPTVAL_3DO) ? OPT_3DO : OPT_PC;