diff --git a/src/FxEngine/zbuffer.c b/src/FxEngine/zbuffer.c
index c83b3b0..21c75bc 100644
--- a/src/FxEngine/zbuffer.c
+++ b/src/FxEngine/zbuffer.c
@@ -35,7 +35,7 @@ static const uint32_t size_blocks = size_char/32;
 **/
 static int32_t* address=0;
 
-static const int32_t clearval[4]={3000,3000,3000,3000};
+static const int32_t clearval[8]={3000,3000,3000,3000,3000,3000,3000,3000};
 
 #define ALIGN 32
 static void* buffer_malloc(uint_fast16_t size)