diff --git a/fix_config.sh b/fix_config.sh
index cad0f0b..ded44c9 100755
--- a/fix_config.sh
+++ b/fix_config.sh
@@ -14,7 +14,7 @@ cat <<EOF > "$CONF"
     ],
     "api-listen": true,
     "api-allow": "W:127.0.0.1",
-    "gridseed-options": "freq=850,chips=5",
+    "gridseed-options": "freq=600,chips=5",
     "kernel-path": "/usr/local/bin"
 }
 EOF