diff --git a/src/elements/cbnw.c b/src/elements/cbnw.c
index 80bc19a13..62655cf8f 100644
--- a/src/elements/cbnw.c
+++ b/src/elements/cbnw.c
@@ -3,7 +3,7 @@
 int update_CBNW(UPDATE_FUNC_ARGS) {
 	int r, rx, ry, oldt;
 	oldt = parts[i].tmp;
-    if (pv[y/CELL][x/CELL]<=5)
+    if (pv[y/CELL][x/CELL]<=3)
     {
         if(20>(rand()%80000))
     	{