diff --git a/build/toolchain/mac/BUILD.gn b/build/toolchain/mac/BUILD.gn
index 7e9db051b5..b1f21b080d 100644
--- a/build/toolchain/mac/BUILD.gn
+++ b/build/toolchain/mac/BUILD.gn
@@ -222,7 +222,7 @@ template("mac_toolchain") {
     }
 
     tool("copy") {
-      command = "ln -f {{source}} {{output}} 2>/dev/null || (rm -rf {{output}} && cp -af {{source}} {{output}})"
+      command = "ln -f {{source}} {{output}} 2>/dev/null || (rsync -a --delete {{source}} {{output}})"
       description = "COPY {{source}} {{output}}"
     }