diff --git a/lib/index.js b/lib/index.js
index 770b00e..ac5317c 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -1,6 +1,7 @@
 'use strict'
 
 const postcss = require('postcss')
+const safe = require('postcss-safe-parser')
 const mergeLonghand = require('postcss-merge-longhand')
 
 module.exports = (options = {}) => tree => {
@@ -14,7 +15,7 @@ module.exports = (options = {}) => tree => {
     }
 
     if (node.attrs && node.attrs.style) {
-      const {css} = postcss().use(mergeLonghand).process(`div { ${node.attrs.style} }`)
+      const {css} = postcss().use(mergeLonghand).process(`div { ${node.attrs.style} }`, {parser: safe})
       node.attrs.style = css.replace(/div {\s|\s}$/gm, '')
     }
 
diff --git a/package-lock.json b/package-lock.json
index 0407a65..deeef1a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -11,6 +11,7 @@
       "dependencies": {
         "postcss": "^8.1.10",
         "postcss-merge-longhand": "^6.0.0",
+        "postcss-safe-parser": "^7.0.0",
         "posthtml": "^0.16.4"
       },
       "devDependencies": {
@@ -8574,6 +8575,31 @@
         "postcss": "^8.4.31"
       }
     },
+    "node_modules/postcss-safe-parser": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-safe-parser/-/postcss-safe-parser-7.0.0.tgz",
+      "integrity": "sha512-ovehqRNVCpuFzbXoTb4qLtyzK3xn3t/CUBxOs8LsnQjQrShaB4lKiHoVqY8ANaC0hBMHq5QVWk77rwGklFUDrg==",
+      "funding": [
+        {
+          "type": "opencollective",
+          "url": "https://opencollective.com/postcss/"
+        },
+        {
+          "type": "tidelift",
+          "url": "https://tidelift.com/funding/github/npm/postcss-safe-parser"
+        },
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/ai"
+        }
+      ],
+      "engines": {
+        "node": ">=18.0"
+      },
+      "peerDependencies": {
+        "postcss": "^8.4.31"
+      }
+    },
     "node_modules/postcss-selector-parser": {
       "version": "6.0.15",
       "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.15.tgz",
@@ -17873,6 +17899,12 @@
         "stylehacks": "^6.0.2"
       }
     },
+    "postcss-safe-parser": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/postcss-safe-parser/-/postcss-safe-parser-7.0.0.tgz",
+      "integrity": "sha512-ovehqRNVCpuFzbXoTb4qLtyzK3xn3t/CUBxOs8LsnQjQrShaB4lKiHoVqY8ANaC0hBMHq5QVWk77rwGklFUDrg==",
+      "requires": {}
+    },
     "postcss-selector-parser": {
       "version": "6.0.15",
       "resolved": "https://registry.npmjs.org/postcss-selector-parser/-/postcss-selector-parser-6.0.15.tgz",
diff --git a/package.json b/package.json
index ea6b6c4..87c7bbc 100644
--- a/package.json
+++ b/package.json
@@ -23,13 +23,15 @@
     "postcss",
     "inline-styles",
     "inline-css",
-    "inline-css",
+    "merge-styles",
+    "merge-css",
     "longhand",
     "shorthand"
   ],
   "dependencies": {
     "postcss": "^8.1.10",
     "postcss-merge-longhand": "^6.0.0",
+    "postcss-safe-parser": "^7.0.0",
     "posthtml": "^0.16.4"
   },
   "devDependencies": {
diff --git a/test/expected/parser.html b/test/expected/parser.html
new file mode 100644
index 0000000..d9b9367
--- /dev/null
+++ b/test/expected/parser.html
@@ -0,0 +1 @@
+<div style="margin: 0 auto">margin</div>
diff --git a/test/fixtures/parser.html b/test/fixtures/parser.html
new file mode 100644
index 0000000..82e7286
--- /dev/null
+++ b/test/fixtures/parser.html
@@ -0,0 +1 @@
+<div style="margin-top: 0; margin-bottom: 0 margin-left: auto; margin-right: auto">margin</div>
diff --git a/test/test.js b/test/test.js
index 145c2fa..c737677 100644
--- a/test/test.js
+++ b/test/test.js
@@ -27,3 +27,7 @@ test('Preserves other properties', t => {
 test('Works with tags option', t => {
   return process(t, 'tags', {tags: ['div', 'p']})
 })
+
+test('Works with bad CSS', t => {
+  return process(t, 'parser')
+})