diff --git a/temporal/api/enums/v1/failed_cause.proto b/temporal/api/enums/v1/failed_cause.proto
index f8809fd4e..81cbde73e 100644
--- a/temporal/api/enums/v1/failed_cause.proto
+++ b/temporal/api/enums/v1/failed_cause.proto
@@ -139,8 +139,8 @@ enum ResourceExhaustedCause {
 
 enum ResourceExhaustedScope {
     RESOURCE_EXHAUSTED_SCOPE_UNSPECIFIED = 0;
-    // Exhausted resource is a system-level resource.
-    RESOURCE_EXHAUSTED_SCOPE_NAMESPACE = 1;
     // Exhausted resource is a namespace-level resource.
+    RESOURCE_EXHAUSTED_SCOPE_NAMESPACE = 1;
+    // Exhausted resource is a system-level resource.
     RESOURCE_EXHAUSTED_SCOPE_SYSTEM = 2;
 }