diff --git a/main.go b/main.go
index b670040..51f33b9 100644
--- a/main.go
+++ b/main.go
@@ -97,7 +97,7 @@ func main() {
 	err := gcfg.ReadFileInto(&cfg, *config)
 	failOnError(err, "Parsing config")
 
-	_, err := Asset("data/code_obj_type.json")
+	_, err = Asset("data/code_obj_type.json")
 	failOnError(err, "data/code_obj_type.json")
 	_, err = Asset("data/code_obj_type.json")
 	failOnError(err, "data/code_obj_sub_type.json")