diff --git a/src/detect-file-data.c b/src/detect-file-data.c
index 63a5b53b48..6558668f5d 100644
--- a/src/detect-file-data.c
+++ b/src/detect-file-data.c
@@ -503,6 +503,7 @@ static void PrefilterTxFiledata(DetectEngineThreadCtx *det_ctx,
                         &det_ctx->mtcu, &det_ctx->pmq,
                         buffer->inspect, buffer->inspect_len);
             }
+            local_file_id++;
         }
     }
 }