diff --git a/controller/channel.go b/controller/channel.go
index afc6600e7..b0dd22861 100644
--- a/controller/channel.go
+++ b/controller/channel.go
@@ -13,6 +13,7 @@ import (
 	"github.com/QuantumNous/new-api/constant"
 	"github.com/QuantumNous/new-api/dto"
 	"github.com/QuantumNous/new-api/model"
+	relaychannel "github.com/QuantumNous/new-api/relay/channel"
 	"github.com/QuantumNous/new-api/relay/channel/gemini"
 	"github.com/QuantumNous/new-api/relay/channel/ollama"
 	"github.com/QuantumNous/new-api/service"
@@ -183,6 +184,9 @@ func buildFetchModelsHeaders(channel *model.Channel, key string) (http.Header, e
 
 	headerOverride := channel.GetHeaderOverride()
 	for k, v := range headerOverride {
+		if relaychannel.IsHeaderPassthroughRuleKey(k) {
+			continue
+		}
 		str, ok := v.(string)
 		if !ok {
 			return nil, fmt.Errorf("invalid header override for key %s", k)
diff --git a/relay/channel/api_request.go b/relay/channel/api_request.go
index c00dc1a69..8dfb61d40 100644
--- a/relay/channel/api_request.go
+++ b/relay/channel/api_request.go
@@ -100,6 +100,9 @@ func getHeaderPassthroughRegex(pattern string) (*regexp.Regexp, error) {
 	return compiled, nil
 }
 
+func IsHeaderPassthroughRuleKey(key string) bool {
+	return isHeaderPassthroughRuleKey(key)
+}
 func isHeaderPassthroughRuleKey(key string) bool {
 	key = strings.TrimSpace(key)
 	if key == "" {