diff --git a/src/Twig/Extension/IconExtension.php b/src/Twig/Extension/IconExtension.php
index 1732b96..d99ea84 100644
--- a/src/Twig/Extension/IconExtension.php
+++ b/src/Twig/Extension/IconExtension.php
@@ -16,7 +16,7 @@ final class IconExtension extends AbstractExtension
     public function getFunctions(): array
     {
         return [
-            new TwigFunction('icon', [IconRuntime::class, 'renderIcon'])
+            new TwigFunction('pcm_icon', [IconRuntime::class, 'renderIcon'])
         ];
     }
 }