diff --git a/global-functions b/global-functions
index 92d8fea..382722a 100644
--- a/global-functions
+++ b/global-functions
@@ -1016,24 +1016,25 @@
 # url encoding
 :set UrlEncode do={
   :local Input [ :tostr $1 ];
+
+  :if ([ :len $Input ] = 0) do={
+    :return "";
+  }
+
   :local Return "";
+  :local Chars "\n\r !\"#\$%&'()*+,:;<=>\?@[\\]^`{|}~";
+  :local Subs { "%0A"; "%0D"; "%20"; "%21"; "%22"; "%23"; "%24"; "%25"; "%26"; "%27";
+         "%28"; "%29"; "%2A"; "%2B"; "%2C"; "%3A"; "%3B"; "%3C"; "%3D"; "%3E"; "%3F";
+         "%40"; "%5B"; "%5C"; "%5D"; "%5E"; "%60"; "%7B"; "%7C"; "%7D"; "%7E" };
 
-  :if ([ :len $Input ] > 0) do={
-    :local Chars "\n\r !\"#\$%&'()*+,:;<=>\?@[\\]^`{|}~";
-    :local Subs { "%0A"; "%0D"; "%20"; "%21"; "%22"; "%23"; "%24"; "%25"; "%26"; "%27";
-                  "%28"; "%29"; "%2A"; "%2B"; "%2C"; "%3A"; "%3B"; "%3C"; "%3D"; "%3E";
-                  "%3F"; "%40"; "%5B"; "%5C"; "%5D"; "%5E"; "%60"; "%7B"; "%7C"; "%7D";
-                  "%7E" };
+  :for I from=0 to=([ :len $Input ] - 1) do={
+    :local Char [ :pick $Input $I ];
+    :local Replace [ :find $Chars $Char ];
 
-    :for I from=0 to=([ :len $Input ] - 1) do={
-      :local Char [ :pick $Input $I ];
-      :local Replace [ :find $Chars $Char ];
-
-      :if ([ :len $Replace ] > 0) do={
-        :set Char ($Subs->$Replace);
-      }
-      :set Return ($Return . $Char);
+    :if ([ :typeof $Replace ] = "num") do={
+      :set Char ($Subs->$Replace);
     }
+    :set Return ($Return . $Char);
   }
 
   :return $Return;