diff --git a/manifests/init.pp b/manifests/init.pp
index 2bdb70ef56fefab03432e139263d1989cb2a9cc9..7261b1b927d24b227fb1796d6656b2edf8e0abc7 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -149,7 +149,7 @@ define apache::include_file($content=undef, $source=undef, $ensure='present')
 	    delete_lines {
 		"apache::include_file::include::${name}":
 		    file => $apache::configfile,
-		    pattern => "\s*Include\s+conf\.d/${name}\.conf\s*$",
+		    pattern => "\s*Include\s+conf\\.d/${name}\\.conf\s*$",
 		    before => File[$includefile],
 		    notify => Class[apache::service];
 	    }