diff --git a/sc2/src/sc2code/libs/video/videodec.h b/sc2/src/sc2code/libs/video/videodec.h
index cbec96958..8f4f8c8b5 100644
--- a/sc2/src/sc2code/libs/video/videodec.h
+++ b/sc2/src/sc2code/libs/video/videodec.h
@@ -30,7 +30,7 @@ typedef struct tfb_videodecoderfunc
 {
 	const char* (* GetName) (void);
 	bool (* InitModule) (int flags);
-	void (* TermModule) ();
+	void (* TermModule) (void);
 	uint32 (* GetStructSize) (void);
 	int (* GetError) (THIS_PTR);
 	bool (* Init) (THIS_PTR, TFB_PixelFormat* fmt);
diff --git a/sc2/src/sc2code/libs/video/vidplayer.c b/sc2/src/sc2code/libs/video/vidplayer.c
index 965996d2d..fe441163d 100644
--- a/sc2/src/sc2code/libs/video/vidplayer.c
+++ b/sc2/src/sc2code/libs/video/vidplayer.c
@@ -60,7 +60,7 @@ typedef struct
 } VIDEO_INPUT_STATE;
 
 bool
-TFB_InitVideoPlayer ()
+TFB_InitVideoPlayer (void)
 {
 	// creation probably needs better handling
 	vp_interthread_lock = CreateSemaphore (1, "inter-thread param lock",
@@ -69,13 +69,13 @@ TFB_InitVideoPlayer ()
 }
 
 void
-TFB_UninitVideoPlayer ()
+TFB_UninitVideoPlayer (void)
 {
 	DestroySemaphore (vp_interthread_lock);
 }
 
 void
-TFB_FadeClearScreen ()
+TFB_FadeClearScreen (void)
 {
 	BYTE xform_buf[1];
 	RECT r = {{0, 0}, {SCREEN_WIDTH, SCREEN_HEIGHT}};
@@ -522,3 +522,4 @@ vp_QueueBuffer (TFB_SoundSample* sample, audio_Object buffer)
 	TFB_TagBuffer (sample, buffer,
 			(void*) SoundDecoder_GetFrame (sample->decoder));
 }
+
diff --git a/sc2/src/sc2code/libs/video/vidplayer.h b/sc2/src/sc2code/libs/video/vidplayer.h
index 095f55330..0ee555d81 100644
--- a/sc2/src/sc2code/libs/video/vidplayer.h
+++ b/sc2/src/sc2code/libs/video/vidplayer.h
@@ -21,7 +21,7 @@
 
 bool TFB_InitVideoPlayer (void);
 void TFB_UninitVideoPlayer (void);
-void TFB_FadeClearScreen ();
+void TFB_FadeClearScreen (void);
 bool TFB_PlayVideo (VIDEO_REF VidRef, uint32 x, uint32 y);
 void TFB_StopVideo (VIDEO_REF VidRef);
 bool TFB_VideoPlaying (VIDEO_REF VidRef);