diff --git a/blitbuffer.c b/blitbuffer.c
index a5b156487..a3a7eab6e 100644
--- a/blitbuffer.c
+++ b/blitbuffer.c
@@ -312,6 +312,7 @@ static int paintRect(lua_State *L) {
 			x / 2);
 	for(cy = 0; cy < h; cy++) {
 		memset(dstptr, c | (c << 4), w / 2);
+		dstptr += dst->pitch;
 	}
 	if(w & 1) {
 		dstptr = (uint8_t*)(dst->data + 
diff --git a/rendertext_example.lua b/rendertext_example.lua
index 70e8c9472..920b5807f 100644
--- a/rendertext_example.lua
+++ b/rendertext_example.lua
@@ -13,6 +13,8 @@ if face:hasKerning() then
 	print("has kerning")
 end
 
+fb.bb:paintRect(1,1,599,300,7);
+
 renderUtf8Text(fb.bb, 100, 100, face, "h", "AV T.T: gxyt!", true)
 renderUtf8Text(fb.bb, 100, 200, face, "h", "AV T.T: gxyt!", false)