diff --git a/build_info.json b/build_info.json
index c991817..d1c53d1 100644
--- a/build_info.json
+++ b/build_info.json
@@ -1,8 +1,8 @@
 {
     "build_time": "",
     "source files": {
-        "version": "v2.9-3-g394ecc3",
-        "commit": "394ecc310cf67afd6630fae6d9321e9ea2e2da8c",
+        "version": "v2.9-4-g371ce76",
+        "commit": "371ce76a81138a9ba73676a41190c71ecd2b5748",
         "dirty": false
     },
     "pytex": {
@@ -36,12 +36,12 @@
         {
             "name": "wip/code/mkessler-code.sty",
             "source file": "wip/code/code.pysty",
-            "build time": "2022/02/09 23:40",
-            "source version": "v2.9-3-g394ecc3",
-            "source commit hash": "394ecc310cf67afd6630fae6d9321e9ea2e2da8c",
+            "build time": "2022/02/10 00:14",
+            "source version": "v2.9-4-g371ce76",
+            "source commit hash": "371ce76a81138a9ba73676a41190c71ecd2b5748",
             "pytex version": "v1.2.0-31-gc9bb0e8",
             "pytex commit hash": "c9bb0e87c91beae3e17a829603e4459cf804ec51",
-            "md5sum": "c7e63292c9f515f645da21352bb6785e",
+            "md5sum": "68ded87bc3cbb44e2c3ff6874eda1a5e",
             "dirty": false
         },
         {
diff --git a/wip/code/mkessler-code.sty b/wip/code/mkessler-code.sty
index e8698c7..e9d5f56 100644
--- a/wip/code/mkessler-code.sty
+++ b/wip/code/mkessler-code.sty
@@ -31,7 +31,7 @@
 % 
 % Build details:
 %   PyTeX version: v1.2.0-31-gc9bb0e8 (commit c9bb0e8)
-%   Source code version: v2.9-3-g394ecc3 (commit 394ecc3)
+%   Source code version: v2.9-4-g371ce76 (commit 371ce76)
 % 
 % This LaTeX package is free software and is dual-licensed
 % under the LPPLv1.3c and the GPLv3 licenses.
@@ -47,7 +47,7 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \NeedsTeXFormat{LaTeX2e}
-\ProvidesPackage{mkessler-code}[2022/02/09 - Hacky code setup for verbatim code]
+\ProvidesPackage{mkessler-code}[2022/02/10 - Hacky code setup for verbatim code]
 
 
 
@@ -58,15 +58,18 @@
 \catcode`_=13
 \let_\_
 \catcode`_=8
-\newcommand\code{
-  \begingroup
-  \catcode`_=\active
-  \code@impl
-}
-\newcommand\code@impl[1]{
-  \texttt{#1}
-  \endgroup
-}
+
+\ExplSyntaxOn
+\NewDocumentCommand{\code}{m}
+  {
+    \tl_set_rescan:Nnn \l_tmpa_tl
+    {
+      \char_set_catcode_active:N _
+    }
+    { #1 }
+    \texttt{ \tl_use:N \l_tmpa_tl }
+  }
+\ExplSyntaxOff
 
 \newif\ifactive\activefalse
 \ifmkessler@code@pipe