diff --git a/lib/parser.js b/lib/parser.js
index 579f793be..54d6007ff 100644
--- a/lib/parser.js
+++ b/lib/parser.js
@@ -426,7 +426,11 @@ class Parser {
         prev = tokens[i - 1] ? tokens[i - 1][0] : 'empty'
         next = tokens[i + 1] ? tokens[i + 1][0] : 'empty'
         if (!SAFE_COMMENT_NEIGHBOR[prev] && !SAFE_COMMENT_NEIGHBOR[next]) {
-          value += token[1]
+          if (value.slice(-1) === ',') {
+            clean = false
+          } else {
+            value += token[1]
+          }
         } else {
           clean = false
         }
diff --git a/package.json b/package.json
index 56a28a915..63cb02723 100755
--- a/package.json
+++ b/package.json
@@ -93,7 +93,7 @@
     "fs-extra": "^10.0.0",
     "nanodelay": "^1.0.8",
     "nanospy": "^0.5.0",
-    "postcss-parser-tests": "^8.4.0",
+    "postcss-parser-tests": "^8.5.0",
     "simple-git-hooks": "^2.7.0",
     "size-limit": "^7.0.8",
     "strip-ansi": "^6.0.1",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index ca790498d..405e220f6 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -22,7 +22,7 @@ specifiers:
   nanoid: ^3.2.0
   nanospy: ^0.5.0
   picocolors: ^1.0.0
-  postcss-parser-tests: ^8.4.0
+  postcss-parser-tests: ^8.5.0
   simple-git-hooks: ^2.7.0
   size-limit: ^7.0.8
   source-map-js: ^1.0.2
@@ -56,7 +56,7 @@ devDependencies:
   fs-extra: 10.0.0
   nanodelay: 1.0.8
   nanospy: 0.5.0
-  postcss-parser-tests: 8.4.0
+  postcss-parser-tests: 8.5.0
   simple-git-hooks: 2.7.0
   size-limit: 7.0.8
   strip-ansi: 6.0.1
@@ -1814,8 +1814,8 @@ packages:
     engines: {node: '>=8.6'}
     dev: true
 
-  /postcss-parser-tests/8.4.0:
-    resolution: {integrity: sha512-ETlKYAGwwVRMZCKO+mKJOEPpky/Q0oMr55ZBs5snMCALe+IFiuIWppohUddx1bWhmlCX1NQviggkQUU3zEEDcg==}
+  /postcss-parser-tests/8.5.0:
+    resolution: {integrity: sha512-ORK9KdLgDZf/klNO3u1i6GRBQo+vPsJUjOARETXgVcE872/I7OT8A2gMB+8XPZT2nO0DKVXIaCZJESlT03BI3g==}
     dependencies:
       picocolors: 1.0.0
     dev: true