diff --git a/src/conf.go b/src/conf.go
index 545df8d..bbea06d 100644
--- a/src/conf.go
+++ b/src/conf.go
@@ -58,7 +58,7 @@ func (e mainEnv) globalUserDelete(userTOKEN string) {
         // not implemented
 }
 
-func (e mainEnv) pluginUserDelete(pluginid, userTOKEN) {
+func (e mainEnv) pluginUserDelete(pluginid string, userTOKEN string) {
 	// not implemented
 }