diff --git a/INSTALL.md b/INSTALL.md
index 7d750f6..7255c2d 100644
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -20,7 +20,7 @@ Download using the [GitHub .zip download](https://github.com/dracula/zsh-syntax-
 
       ```bash
       # ...
-      source /some/path/to/your/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
+      source /some/path/to/your/zsh-syntax-highlighting/zsh-syntax-highlighting.sh
       # ...
       ```