diff --git a/store/proxy/proxy_store.go b/store/proxy/proxy_store.go
index c5b57ab1..e2b7ea9f 100644
--- a/store/proxy/proxy_store.go
+++ b/store/proxy/proxy_store.go
@@ -283,10 +283,11 @@ func getNamespace(apiContext *types.APIContext, opt *types.QueryOptions) string
 	}
 
 	for _, condition := range opt.Conditions {
-		if condition.Field == "namespaceId" && condition.Value != "" {
+		mod := condition.ToCondition().Modifier
+		if condition.Field == "namespaceId" && condition.Value != "" && mod != types.ModifierIn && mod != types.ModifierNotIn {
 			return condition.Value
 		}
-		if condition.Field == "namespace" && condition.Value != "" {
+		if condition.Field == "namespace" && condition.Value != "" && mod != types.ModifierIn && mod != types.ModifierNotIn {
 			return condition.Value
 		}
 	}