diff --git a/fuzzers/063-gtx-common-conf/generate.py b/fuzzers/063-gtx-common-conf/generate.py
index 5121fa64..c131613e 100644
--- a/fuzzers/063-gtx-common-conf/generate.py
+++ b/fuzzers/063-gtx-common-conf/generate.py
@@ -40,7 +40,7 @@ def bitfilter_gtx_common(frame, bit):
     if word < 44 or word > 56:
         return False
 
-    if frame < 30 or frame > 31:
+    if frame < 24 or frame > 31:
         return False
 
     return True