diff --git a/sapi/cli/tests/021.phpt b/sapi/cli/tests/021.phpt
index a4442b0e02d..2ddd6889038 100644
--- a/sapi/cli/tests/021.phpt
+++ b/sapi/cli/tests/021.phpt
@@ -6,6 +6,10 @@ include 'skipif.inc';
 if (substr(PHP_OS, 0, 3) == 'WIN') {
 	die ("skip not for Windows");
 }
+
+if (strlen("#!".getenv('TEST_PHP_EXECUTABLE')) > 127) {
+        die ("skip shebang is too long, see http://www.in-ulm.de/~mascheck/various/shebang/#results");
+}
 ?>
 --FILE--
 <?php