diff --git a/cc/linker.go b/cc/linker.go
index dda2fcb..fa3b0a6 100644
--- a/cc/linker.go
+++ b/cc/linker.go
@@ -483,7 +483,7 @@
 		Input:       in,
 		Output:      out,
 		Args: map[string]string{
-			"buildNumberFromFile": ctx.Config().BuildNumberFromFile(),
+			"buildNumberFromFile": proptools.NinjaEscape(ctx.Config().BuildNumberFromFile()),
 		},
 	})
 }