caddyhttp: retain all values of vars matcher when specified multiple times (#4629)

1 files changed, 1 insertions, 1 deletions

diff --git a/modules/caddyhttp/vars.go b/modules/caddyhttp/vars.go
index 91a2072..b0f10a7 100644
--- a/modules/caddyhttp/vars.go
+++ b/modules/caddyhttp/vars.go
@@ -91,7 +91,7 @@ func (m *VarsMatcher) UnmarshalCaddyfile(d *caddyfile.Dispenser) error {
 		if len(vals) == 0 {
 			return d.Errf("malformed vars matcher: expected at least one value to match against")
 		}
-		(*m)[field] = vals
+		(*m)[field] = append((*m)[field], vals...)
 		if d.NextBlock(0) {
 			return d.Err("malformed vars matcher: blocks are not supported")
 		}