diff --git a/tests/Internal/Codebase/InternalCallMapHandlerTest.php b/tests/Internal/Codebase/InternalCallMapHandlerTest.php
index e5f6320fba5..52a17d4b79d 100644
--- a/tests/Internal/Codebase/InternalCallMapHandlerTest.php
+++ b/tests/Internal/Codebase/InternalCallMapHandlerTest.php
@@ -45,6 +45,7 @@
 use const PHP_MAJOR_VERSION;
 use const PHP_MINOR_VERSION;
 use const PHP_VERSION;
+use const PHP_VERSION_ID;
 
 /** @group callmap */
 class InternalCallMapHandlerTest extends TestCase
@@ -519,7 +520,11 @@ private function getReflectionFunction(string $functionName): ?ReflectionFunctio
     {
         try {
             if (strpos($functionName, '::') !== false) {
-                return new ReflectionMethod($functionName);
+                if (PHP_VERSION_ID < 803000) {
+                    [$className, , $methodName] = explode(':', $functionName, 3);
+                    return new ReflectionMethod($className, $methodName);
+                }
+                return ReflectionMethod::createFromMethodName($functionName);
             }
 
             /** @var callable-string $functionName */