diff --git a/src/Util/DcaHelper.php b/src/Util/DcaHelper.php
index 5cfacfb..c904955 100644
--- a/src/Util/DcaHelper.php
+++ b/src/Util/DcaHelper.php
@@ -151,7 +151,7 @@ public static function testSQLType(array|string|null $sql, string $expectedType)
         }
 
         if ($regex = static::getSqlTypeRegex($expectedType)) {
-            return \preg_match($regex, $sql);
+            return (bool)\preg_match($regex, $sql);
         }
 
         return false;