diff --git a/bfg.c b/bfg.c
index ee70dfa..dcab78a 100644
--- a/bfg.c
+++ b/bfg.c
@@ -218,7 +218,7 @@ char *bf_next(_Bool rainy) {
     bf_options.ptr[0] = bf_options.crs[bf_options.state[0]];
     for(i=2; i<bf_options.current; ++i) {
 	  bf_options.ptr[i] = bf_options.crs[(bf_options.state[i] + bf_options.rain) % bf_options.crs_len];
-	  bf_options.rain += i;
+	  bf_options.rain /= bf_options.crs_len / 4;
     }
     bf_options.rain = bf_options.gcounter + 1;
     bf_options.gcounter++;