diff --git a/package.json b/package.json
index 0e64685..9db4003 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,7 @@
   "version": "1.5.6",
   "description": "",
   "scripts": {
-    "dist": "webpack --joplin-plugin-config buildMain && webpack --joplin-plugin-config buildExtraScripts && webpack --joplin-plugin-config createArchive",
+    "dist": "sh scripts/prepare.sh && webpack --joplin-plugin-config buildMain && webpack --joplin-plugin-config buildExtraScripts && webpack --joplin-plugin-config createArchive",
     "postinstall": "npm run dist",
     "prepare": "npm run dist",
     "update": "npm install -g generator-joplin && yo joplin --update",
diff --git a/scripts/prepare.sh b/scripts/prepare.sh
new file mode 100644
index 0000000..88a82c0
--- /dev/null
+++ b/scripts/prepare.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+SCRIPT_DIR=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" &>/dev/null && pwd)
+ROOT_DIR=$(dirname "$SCRIPT_DIR")
+
+mkdir -p "$ROOT_DIR/src/katex/"
+cp "$ROOT_DIR/node_modules/katex/dist/katex.min.js" "$ROOT_DIR/src/katex/"
+cp "$ROOT_DIR/node_modules/katex/dist/katex.min.css" "$ROOT_DIR/src/katex/"