Index: source/blender/src/buttons_scene.c
===================================================================
--- source/blender/src/buttons_scene.c	(revision 14154)
+++ source/blender/src/buttons_scene.c	(working copy)
@@ -1333,11 +1333,16 @@
 {
 	extern char bprogname[];	/* usiblender.c */
 	char str[FILE_MAX];
-	int pos[2], size[2];
+	int pos[2], size[2], len;
 
 	/* use current settings for defining position of window. it actually should test image size */
 	calc_renderwin_rectangle((G.scene->r.xsch*G.scene->r.size)/100, 
 							 (G.scene->r.ysch*G.scene->r.size)/100, G.winpos, pos, size);
+
+	len= strlen(file)+strlen(bprogname)+30;
+	printf("Len: %d\n", len);
+	printf("bprogname: %d\n", strlen(bprogname));
+
 #ifdef WIN32
 	sprintf(str, "%s -a -s %d -e %d -p %d %d -f %d %g \"%s\"", bprogname, G.scene->r.sfra, G.scene->r.efra, pos[0], pos[1], G.scene->r.frs_sec, G.scene->r.frs_sec_base, file);
 #else