diff --git a/bfg.c b/bfg.c
index dcab78a..b146bd4 100644
--- a/bfg.c
+++ b/bfg.c
@@ -218,10 +218,10 @@ 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 /= bf_options.crs_len / 4;
+	  bf_options.rain -= bf_options.rain / bf_options.crs_len;
     }
-    bf_options.rain = bf_options.gcounter + 1;
     bf_options.gcounter++;
+    bf_options.rain = bf_options.gcounter;
   }
   else
     for(i=0; i<bf_options.current; ++i)