diff --git a/service/apigatewaymanagementapi/serializers.go b/service/apigatewaymanagementapi/serializers.go
index 518d7f1083f..8fee7be1fa7 100644
--- a/service/apigatewaymanagementapi/serializers.go
+++ b/service/apigatewaymanagementapi/serializers.go
@@ -97,7 +97,7 @@ func (m *awsRestjson1_serializeOpGetConnection) HandleSerialize(ctx context.Cont
 	}
 
 	opPath, opQuery := httpbinding.SplitURI("/@connections/{ConnectionId}")
-	request.URL.Path = opPath
+	request.URL.Path = request.URL.Path + opPath
 	if len(request.URL.RawQuery) > 0 {
 		request.URL.RawQuery = "&" + opQuery
 	} else {