--- a/piece.c
+++ b/piece.c
@@ -11,6 +11,7 @@
 
 SDL_Surface *video, *layer;
 SDL_Rect layerRect;
+int zoom, fullscreen;
 
 unsigned char *vBuffer = NULL;
 
--- a/piece.h
+++ b/piece.h
@@ -53,4 +53,4 @@
 
 int pcePadGet ();
 
-int zoom, fullscreen;
+extern int zoom, fullscreen;