diff --git a/src/TwigComponent/src/ComponentAttributes.php b/src/TwigComponent/src/ComponentAttributes.php
index 9f2a3a9dd2f..194acaba941 100644
--- a/src/TwigComponent/src/ComponentAttributes.php
+++ b/src/TwigComponent/src/ComponentAttributes.php
@@ -44,7 +44,8 @@ public function __toString(): string
             ),
             function (string $carry, string $key) {
                 if (
-                    preg_match(self::NESTED_REGEX, $key)
+                    str_contains($key, ':')
+                    && preg_match(self::NESTED_REGEX, $key)
                     && !preg_match(self::ALPINE_REGEX, $key)
                     && !preg_match(self::VUE_REGEX, $key)
                 ) {