diff --git a/src/movie.cpp b/src/movie.cpp
index e15c3438..0b3e5340 100644
--- a/src/movie.cpp
+++ b/src/movie.cpp
@@ -1339,7 +1339,7 @@ bool FCEUI_MovieGetInfo(FCEUFILE* fp, MOVIE_INFO& info, bool skipFrameCount)
 }
 
 //This function creates an array of frame numbers and corresponding strings for displaying subtitles
-void LoadSubtitles(MovieData moviedata)
+void LoadSubtitles(MovieData &moviedata)
 {
 	extern std::vector<string> subtitles;
 	for(uint32 i=0; i < moviedata.subtitles.size() ; i++)
diff --git a/src/movie.h b/src/movie.h
index 92076426..b731177f 100644
--- a/src/movie.h
+++ b/src/movie.h
@@ -269,7 +269,7 @@ std::string FCEUI_GetMovieName(void);
 void FCEUI_MovieToggleFrameDisplay();
 void FCEUI_ToggleInputDisplay(void);
 
-void LoadSubtitles(MovieData);
+void LoadSubtitles(MovieData &);
 void ProcessSubtitles(void);
 void FCEU_DisplaySubtitles(char *format, ...);