diff --git a/doc/installation.rst b/doc/installation.rst
index f25b68bb3..eeb63c67d 100644
--- a/doc/installation.rst
+++ b/doc/installation.rst
@@ -98,7 +98,7 @@ For Windows:
     ZendServer.
 
     The built DLL will be available in
-    C:\php-sdk\phpdev\vcXX\x86\php-source-directory\Release
+    C:\\php-sdk\\phpdev\\vcXX\\x86\\php-source-directory\\Release
 
 Finally, enable the extension in your ``php.ini`` configuration file: