--- bb-1.3rc1.orig/tex.c
+++ bb-1.3rc1/tex.c
@@ -92,7 +92,7 @@
 
 static inline void clear_zbuff()
 {
-    memset(zbuff, 0x55, (X_s * Y_s * sizeof(long)));
+    memset(zbuff, 0x55, (X_s * Y_s * sizeof(int)));
 }