diff --git a/Classes/EventListener/HighlightLines.php b/Classes/EventListener/HighlightLines.php
index b6fb3d1..d5d5bb2 100644
--- a/Classes/EventListener/HighlightLines.php
+++ b/Classes/EventListener/HighlightLines.php
@@ -27,10 +27,10 @@ public function __invoke(EnrichCodeSnippetEvent $event): void
         }
 
         if ($event->options->highlightLines !== '') {
-            $event->preAttributesCollector->setAttribute('line', $event->options->highlightLines);
+            $event->preAttributesCollector->setAttribute('data-line', $event->options->highlightLines);
 
             if ($event->options->startWithLineNumber > 1) {
-                $event->preAttributesCollector->setAttribute('line-offset', (string) ($event->options->startWithLineNumber - 1));
+                $event->preAttributesCollector->setAttribute('data-line-offset', (string) ($event->options->startWithLineNumber - 1));
             }
         }
     }
diff --git a/Classes/EventListener/LineNumbers.php b/Classes/EventListener/LineNumbers.php
index 91b747e..b51e80f 100644
--- a/Classes/EventListener/LineNumbers.php
+++ b/Classes/EventListener/LineNumbers.php
@@ -30,7 +30,7 @@ public function __invoke(EnrichCodeSnippetEvent $event): void
         $event->scriptsCollector->addPath(Extension::PRISM_BASE_PATH . 'plugins/line-numbers/prism-line-numbers.min.js');
 
         if ($event->options->startWithLineNumber > 1) {
-            $event->preAttributesCollector->setAttribute('start', (string) $event->options->startWithLineNumber);
+            $event->preAttributesCollector->setAttribute('data-start', (string) $event->options->startWithLineNumber);
         }
     }
 }
diff --git a/Tests/Unit/EventListener/HighlightLinesTest.php b/Tests/Unit/EventListener/HighlightLinesTest.php
index dde09a5..12569f8 100644
--- a/Tests/Unit/EventListener/HighlightLinesTest.php
+++ b/Tests/Unit/EventListener/HighlightLinesTest.php
@@ -63,7 +63,7 @@ public function highlightLinesIsSet(): void
         self::assertSame('EXT:codehighlight/Resources/Public/Prism/plugins/line-highlight/prism-line-highlight.css', $event->stylesCollector->getPaths()[0]);
         self::assertCount(1, $event->scriptsCollector->getPaths());
         self::assertSame('EXT:codehighlight/Resources/Public/Prism/plugins/line-highlight/prism-line-highlight.min.js', $event->scriptsCollector->getPaths()[0]);
-        self::assertSame('line="3-5"', $event->preAttributesCollector->__toString());
+        self::assertSame('data-line="3-5"', $event->preAttributesCollector->__toString());
         self::assertSame('', $event->preClassesCollector->__toString());
         self::assertSame('', $event->codeAttributesCollector->__toString());
         self::assertSame('', $event->codeClassesCollector->__toString());
@@ -86,7 +86,7 @@ public function highlightLinesIsSetAndStartWithLineNumberIsGreater1(): void
 
         self::assertCount(1, $event->stylesCollector->getPaths());
         self::assertCount(1, $event->scriptsCollector->getPaths());
-        self::assertSame('line="3-5" line-offset="1"', $event->preAttributesCollector->__toString());
+        self::assertSame('data-line="3-5" data-line-offset="1"', $event->preAttributesCollector->__toString());
         self::assertSame('', $event->preClassesCollector->__toString());
         self::assertSame('', $event->codeAttributesCollector->__toString());
         self::assertSame('', $event->codeClassesCollector->__toString());
@@ -109,7 +109,7 @@ public function highlightLinesIsSetAndStartWithLineNumberIs1(): void
 
         self::assertCount(1, $event->stylesCollector->getPaths());
         self::assertCount(1, $event->scriptsCollector->getPaths());
-        self::assertSame('line="3-5"', $event->preAttributesCollector->__toString());
+        self::assertSame('data-line="3-5"', $event->preAttributesCollector->__toString());
         self::assertSame('', $event->preClassesCollector->__toString());
         self::assertSame('', $event->codeAttributesCollector->__toString());
         self::assertSame('', $event->codeClassesCollector->__toString());
diff --git a/Tests/Unit/EventListener/LineNumbersTest.php b/Tests/Unit/EventListener/LineNumbersTest.php
index 524a7f2..e949742 100644
--- a/Tests/Unit/EventListener/LineNumbersTest.php
+++ b/Tests/Unit/EventListener/LineNumbersTest.php
@@ -86,7 +86,7 @@ public function optionShowLineNumberIsActivatedAndStartWithLineNumberGreater1():
 
         self::assertCount(1, $event->stylesCollector->getPaths());
         self::assertCount(1, $event->scriptsCollector->getPaths());
-        self::assertSame('start="2"', $event->preAttributesCollector->__toString());
+        self::assertSame('data-start="2"', $event->preAttributesCollector->__toString());
         self::assertSame('line-numbers', $event->preClassesCollector->__toString());
         self::assertSame('', $event->codeAttributesCollector->__toString());
         self::assertSame('', $event->codeClassesCollector->__toString());