diff --git a/op25/gr-op25_repeater/apps/correlation.json b/op25/gr-op25_repeater/apps/correlation.json
index 5af134a7..8f143b07 100644
--- a/op25/gr-op25_repeater/apps/correlation.json
+++ b/op25/gr-op25_repeater/apps/correlation.json
@@ -16,7 +16,7 @@
     },
     {
         "fs":[ 1, -1, 1, 1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, -1, 1, -1, 1, 1, -1, -1, 1, -1 ],
-        "length":144,
+        "length":576,
         "name":"DMR"
     },
     {