diff --git a/src/vid_voodoo.c b/src/vid_voodoo.c
index 0790068..3bb8ccb 100644
--- a/src/vid_voodoo.c
+++ b/src/vid_voodoo.c
@@ -7142,7 +7142,9 @@ void *voodoo_init()
 
 void voodoo_close(void *p)
 {
+#ifndef RELEASE_BUILD
         FILE *f;
+#endif
         voodoo_t *voodoo = (voodoo_t *)p;
         int c;