diff --git a/ui/build/ninja.go b/ui/build/ninja.go
index 5961c4525..41de6bd7e 100644
--- a/ui/build/ninja.go
+++ b/ui/build/ninja.go
@@ -141,6 +141,8 @@ func runNinjaForBuild(ctx Context, config Config) {
 
 			// RBE client
 			"RBE_compare",
+			"RBE_num_local_reruns",
+			"RBE_num_remote_reruns",
 			"RBE_exec_root",
 			"RBE_exec_strategy",
 			"RBE_invocation_id",