diff --git a/sc2/src/sc2code/credits.c b/sc2/src/sc2code/credits.c
index 5f85568dc..c9ef23bdc 100644
--- a/sc2/src/sc2code/credits.c
+++ b/sc2/src/sc2code/credits.c
@@ -109,7 +109,7 @@ Credits_RenderTextFrame (CONTEXT TempContext, int *istr, int dir,
 	CONTEXT OldContext;
 	FRAME OldFrame;
 	TEXT TextLines[MAX_TEXT_LINES];
-	STRINGPTR pStr;
+	STRINGPTR pStr = NULL;
 	int size;
 	char salign[32];
 	char *scol;
diff --git a/sc2/src/sc2code/fmv.h b/sc2/src/sc2code/fmv.h
index 5bf228841..307f9a3e8 100644
--- a/sc2/src/sc2code/fmv.h
+++ b/sc2/src/sc2code/fmv.h
@@ -31,6 +31,7 @@ extern void DoShipSpin (COUNT index, MUSIC_REF hMusic);
 extern BOOLEAN DoFMV (const char *name, const char *loopname,
 		BOOLEAN uninit);
 extern BOOLEAN ShowPresentation (STRING PresStr);
+extern BOOLEAN ShowPresentationFile (const char *name);
 
 
 #endif  /* _FMV_H */