diff --git a/lib/map-generator.js b/lib/map-generator.js
index ea1ef5ec2..fb7a3aace 100644
--- a/lib/map-generator.js
+++ b/lib/map-generator.js
@@ -100,7 +100,10 @@ class MapGenerator {
       prev.file = this.outputFile()
       this.map = SourceMapGenerator.fromSourceMap(prev)
     } else {
-      this.map = new SourceMapGenerator({ file: this.outputFile() })
+      this.map = new SourceMapGenerator({
+        file: this.outputFile(),
+        ignoreInvalidMapping: true
+      })
       this.map.addMapping({
         generated: { column: 0, line: 1 },
         original: { column: 0, line: 1 },
@@ -123,7 +126,10 @@ class MapGenerator {
 
   generateString() {
     this.css = ''
-    this.map = new SourceMapGenerator({ file: this.outputFile() })
+    this.map = new SourceMapGenerator({
+      file: this.outputFile(),
+      ignoreInvalidMapping: true
+    })
 
     let line = 1
     let column = 1
diff --git a/package.json b/package.json
index 65ad100e5..b54ee8b26 100755
--- a/package.json
+++ b/package.json
@@ -86,7 +86,7 @@
   "dependencies": {
     "nanoid": "^3.3.7",
     "picocolors": "^1.0.0",
-    "source-map-js": "^1.0.2"
+    "source-map-js": "^1.1.0"
   },
   "devDependencies": {
     "@logux/eslint-config": "^53.0.0",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 11b0711fa..91f3212dd 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -12,8 +12,8 @@ dependencies:
     specifier: ^1.0.0
     version: 1.0.0
   source-map-js:
-    specifier: ^1.0.2
-    version: 1.0.2
+    specifier: ^1.1.0
+    version: 1.1.0
 
 devDependencies:
   '@logux/eslint-config':
@@ -2601,8 +2601,8 @@ packages:
     engines: {node: '>=14.16'}
     dev: true
 
-  /source-map-js@1.0.2:
-    resolution: {integrity: sha512-R0XvVJ9WusLiqTCEiGCmICCMplcCkIwwR11mOSD9CR5u+IXYdiseeEuXCVAjS54zqwkLcPNnmU4OeJ6tUrWhDw==}
+  /source-map-js@1.1.0:
+    resolution: {integrity: sha512-9vC2SfsJzlej6MAaMPLu8HiBSHGdRAJ9hVFYN1ibZoNkeanmDmLUcIrj6G9DGL7XMJ54AKg/G75akXl1/izTOw==}
     engines: {node: '>=0.10.0'}
     dev: false