--- brickengine-110923.old/engine/src/collision.c
+++ brickengine-110923/engine/src/collision.c
@@ -1217,8 +1217,7 @@
 
 	/* failsafe */
 	if( sspan->w < 1 || sspan->h < 1 || tspan->w < 1 || tspan->h < 1 )
-		return;
-
+		return 0;
 
 	/* first, set up the intersect rectangle */
 	ibox.x1 = max(sbox.x1, tbox.x1);
@@ -1226,7 +1225,6 @@
 	ibox.x2 = min(sbox.x2, tbox.x2);
 	ibox.y2 = min(sbox.y2, tbox.y2);
 
-
 	/* set up scalar increments */
 	sinc.x = fp_set(sfr->w) / sspan->w;
 	sinc.y = fp_set(sfr->h) / sspan->h;