diff --git a/website/scripts/escape.groovy b/website/scripts/escape.groovy
index 33809e4e..a01d009c 100644
--- a/website/scripts/escape.groovy
+++ b/website/scripts/escape.groovy
@@ -2,7 +2,7 @@
 
 
 def escapeShell(String arg) {
-    return '"' + arg.replaceAll(/["$`<>^\\"']/, /\\$0/) + '"'
+    return '"' + arg.replaceAll(/["$`<>^\\"]/, /\\$0/) + '"'
 }