diff --git a/brew/water_optimizer.m b/brew/water_optimizer.m
index 46bcbd3..6c982cf 100644
--- a/brew/water_optimizer.m
+++ b/brew/water_optimizer.m
@@ -63,10 +63,10 @@ while true,
     if conv_counter == 0,
       break;
     else
-      conv_counter -= 1
+      conv_counter -= 1;
     end
   else
-    conv_counter = CONV_COUNTER_RELOAD
+    conv_counter = CONV_COUNTER_RELOAD;
   end
   Dn0 = Dc;
 end