From 95028e9c2c5ca388dd4ab183d70ce354def942bc Mon Sep 17 00:00:00 2001
From: Gerhard Tan <gwohau.tan@gmail.com>
Date: Mon, 19 Feb 2024 12:34:59 +0800
Subject: [PATCH] better initialization

---
 pkg/config/legacy/conversion.go | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/pkg/config/legacy/conversion.go b/pkg/config/legacy/conversion.go
index 7f63bffe..dd8c4a11 100644
--- a/pkg/config/legacy/conversion.go
+++ b/pkg/config/legacy/conversion.go
@@ -176,10 +176,9 @@ func transformHeadersFromPluginParams(params map[string]string) v1.HeaderOperati
 		}
 		if k = strings.TrimPrefix(k, "plugin_header_"); k != "" {
 			if out.Set == nil {
-				out.Set = map[string]string{k: v}
-			} else {
-				out.Set[k] = v
+				out.Set = make(map[string]string)
 			}
+			out.Set[k] = v
 		}
 	}
 	return out