diff --git a/src/dexed.mh b/src/README
similarity index 100%
rename from src/dexed.mh
rename to src/README
diff --git a/src/msfa/controllers.h b/src/msfa/controllers.h
index b8179e2..95b9828 100644
--- a/src/msfa/controllers.h
+++ b/src/msfa/controllers.h
@@ -47,7 +47,7 @@ struct FmMod {
     }
 
     void setRange(uint8_t r) {
-        range = r < 0 && r > 127 ? 0 : r;
+        range = r < 0 || r > 127 ? 0 : r;
 	TRACE("range=%d",range);
     }