diff --git a/BUILDING.md b/BUILDING.md
index 9690e826c396f8..6e7f606d2cb0c2 100644
--- a/BUILDING.md
+++ b/BUILDING.md
@@ -133,7 +133,7 @@ More Developer Tools...`. This step will install `clang`, `clang++`, and
 If the path to your build directory contains a space, the build will likely
 fail.
 
-After building, setting up [firewall rules](tools/macosx-firewall.sh) can avoid
+After building, setting up [firewall rules](tools/macos-firewall.sh) can avoid
 popups asking to accept incoming network connections when running tests.
 
 Running the following script on macOS will add the firewall rules for the
@@ -141,7 +141,7 @@ executable `node` in the `out` directory and the symbolic `node` link in the
 project's root directory.
 
 ```console
-$ sudo ./tools/macosx-firewall.sh
+$ sudo ./tools/macos-firewall.sh
 ```
 
 On FreeBSD and OpenBSD, you may also need:
diff --git a/tools/macosx-firewall.sh b/tools/macos-firewall.sh
similarity index 100%
rename from tools/macosx-firewall.sh
rename to tools/macos-firewall.sh