diff --git a/config/eid_subcategory_mapping.csv b/config/eid_subcategory_mapping.csv
index b2a15e5f..710b71b7 100644
--- a/config/eid_subcategory_mapping.csv
+++ b/config/eid_subcategory_mapping.csv
@@ -1,5 +1,5 @@
 "Event ID","Category","Subcategory","GUID"
-"",System",,"69979848-797A-11D9-BED3-505054503030"
+"","System",,"69979848-797A-11D9-BED3-505054503030"
 "4608",System","Security State Change","0CCE9210-69AE-11D9-BED3-505054503030"
 "4616",System","Security State Change","0CCE9210-69AE-11D9-BED3-505054503030"
 "4621",System","Security State Change","0CCE9210-69AE-11D9-BED3-505054503030"