diff --git a/ui/build/ninja.go b/ui/build/ninja.go
index b5e74b422..8ca62d3f1 100644
--- a/ui/build/ninja.go
+++ b/ui/build/ninja.go
@@ -229,6 +229,7 @@ func runNinjaForBuild(ctx Context, config Config) {
 			"BUILD_BROKEN_INCORRECT_PARTITION_IMAGES",
 			"SOONG_USE_N2",
 			"RUST_BACKTRACE",
+			"RUST_LOG",
 		}, config.BuildBrokenNinjaUsesEnvVars()...)...)
 	}