1 files changed, 1 insertions, 1 deletions
diff --git a/run-tests.php b/run-tests.php
index f2f1e1a230..ed5e3c9f84 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -74,7 +74,7 @@ if (isset($_ENV['TEST_PHP_LOG_FORMAT'])) {
 	$log_format = 'LEOD';
 }
 
-if (!@is_executable($php)) {
+if (function_exists('is_executable') && !@is_executable($php)) {
 	error("invalid PHP executable specified by TEST_PHP_EXECUTABLE  = " . $php);
 }