diff --git a/internal/config/array_flag.go b/internal/config/array_flag.go
index bb99d0a52..5a779545d 100644
--- a/internal/config/array_flag.go
+++ b/internal/config/array_flag.go
@@ -1,7 +1,14 @@
 package config
 
-import "strings"
+import (
+	"flag"
+	"strings"
+)
 
+var _ flag.Value = (*ArrayFlags)(nil)
+
+//ArrayFlags implements the flag/Value interface
+//allowing to set multiple string flags with the same name
 type ArrayFlags []string
 
 func (i *ArrayFlags) String() string {