diff --git a/modules/openapi-generator/src/main/resources/go-experimental/api.mustache b/modules/openapi-generator/src/main/resources/go-experimental/api.mustache
index 597b0335e4d1..96ac8f2d4a60 100644
--- a/modules/openapi-generator/src/main/resources/go-experimental/api.mustache
+++ b/modules/openapi-generator/src/main/resources/go-experimental/api.mustache
@@ -244,7 +244,7 @@ func (r api{{operationId}}Request) Execute() ({{#returnType}}{{{.}}}, {{/returnT
 	if r.ctx != nil {
 		// API Key Authentication
 		if auth, ok := r.ctx.Value(ContextAPIKeys).(map[string]APIKey); ok {
-			if auth, ok := auth["{{keyParamName}}"]; ok {
+			if auth, ok := auth["{{#vendorExtensions.x-auth-id-alias}}{{.}}{{/vendorExtensions.x-auth-id-alias}}{{^vendorExtensions.x-auth-id-alias}}{{name}}{{/vendorExtensions.x-auth-id-alias}}"]; ok {
 				var key string
 				if auth.Prefix != "" {
 					key = auth.Prefix + " " + auth.Key