diff --git a/src/PHPStan/PregMatchFlags.php b/src/PHPStan/PregMatchFlags.php
index 9cd3598..ace3e8a 100644
--- a/src/PHPStan/PregMatchFlags.php
+++ b/src/PHPStan/PregMatchFlags.php
@@ -7,13 +7,14 @@
 use PHPStan\Type\TypeCombinator;
 use PHPStan\Type\Type;
 use PhpParser\Node\Arg;
+use PHPStan\Type\Php\RegexArrayShapeMatcher;
 
 final class PregMatchFlags
 {
     static public function getType(?Arg $flagsArg, Scope $scope): ?Type
     {
         if ($flagsArg === null) {
-            return new ConstantIntegerType(PREG_UNMATCHED_AS_NULL);
+            return new ConstantIntegerType(PREG_UNMATCHED_AS_NULL | RegexArrayShapeMatcher::PREG_UNMATCHED_AS_NULL_ON_72_73);
         }
 
         $flagsType = $scope->getType($flagsArg->value);
@@ -29,7 +30,7 @@ static public function getType(?Arg $flagsArg, Scope $scope): ?Type
                 return null;
             }
 
-            $internalFlagsTypes[] = new ConstantIntegerType($constantScalarValue | PREG_UNMATCHED_AS_NULL);
+            $internalFlagsTypes[] = new ConstantIntegerType($constantScalarValue | PREG_UNMATCHED_AS_NULL | RegexArrayShapeMatcher::PREG_UNMATCHED_AS_NULL_ON_72_73);
         }
         return TypeCombinator::union(...$internalFlagsTypes);
     }
diff --git a/tests/PHPStanTests/nsrt/preg-match.php b/tests/PHPStanTests/nsrt/preg-match.php
index 8a4458e..5dd23db 100644
--- a/tests/PHPStanTests/nsrt/preg-match.php
+++ b/tests/PHPStanTests/nsrt/preg-match.php
@@ -22,20 +22,20 @@ function doMatch(string $s): void
     }
     assertType('array{}|array{string, string}', $matches);
 
-//    if (Preg::match('/Price: (£|€)?\d+/', $s, $matches)) { // temporarily disabled until https://github.com/phpstan/phpstan-src/pull/3229 is released
-//        assertType('array{0: string, 1: string|null}', $matches);
-//    } else {
-//        assertType('array{}', $matches);
-//    }
-//    assertType('array{}|array{0: string, 1: string|null}', $matches);
-//
-//    // passing the PREG_UNMATCHED_AS_NULL should change nothing compared to above as it is always set
-//    if (Preg::match('/Price: (£|€)?\d+/', $s, $matches, PREG_UNMATCHED_AS_NULL)) {
-//        assertType('array{0: string, 1: string|null}', $matches);
-//    } else {
-//        assertType('array{}', $matches);
-//    }
-//    assertType('array{}|array{0: string, 1: string|null}', $matches);
+    if (Preg::match('/Price: (£|€)?\d+/', $s, $matches)) {
+        assertType('array{string, string|null}', $matches);
+    } else {
+        assertType('array{}', $matches);
+    }
+    assertType('array{}|array{string, string|null}', $matches);
+
+    // passing the PREG_UNMATCHED_AS_NULL should change nothing compared to above as it is always set
+    if (Preg::match('/Price: (£|€)?\d+/', $s, $matches, PREG_UNMATCHED_AS_NULL)) {
+        assertType('array{string, string|null}', $matches);
+    } else {
+        assertType('array{}', $matches);
+    }
+    assertType('array{}|array{string, string|null}', $matches);
 
     if (Preg::isMatch('/Price: (?<currency>£|€)\d+/', $s, $matches)) {
         assertType('array{0: string, currency: string, 1: string}', $matches);