diff --git a/src/imports/config.json b/src/imports/config.json
index 83f2905..c44b31c 100644
--- a/src/imports/config.json
+++ b/src/imports/config.json
@@ -99,6 +99,7 @@
       "load_address": 1,
       "sys_address": 1,
       "entry_length": 16,
+      "extension_colon": 1,
       "footer_bytes": 1
     },
     "fastloaders": {