diff --git a/tests/CallTester.php b/tests/CallTester.php
index 64da257..f285bf7 100644
--- a/tests/CallTester.php
+++ b/tests/CallTester.php
@@ -421,7 +421,7 @@ class CallTester {
 
     $this->copyFileFromCallee($calleeOutPath);
 
-    $rateCommand = "tests/rate-async.sh {$fileCaller} {$callerPreprocessedPath} {$calleeOutPath} 2>> {$outDir}rate_errors.log";
+    $rateCommand = "bash tests/rate-async.sh {$fileCaller} {$callerPreprocessedPath} {$calleeOutPath} 2>> {$outDir}rate_errors.log";
     $allRatings = explode(',', $this->execSync($rateCommand));
 
     $row = [
@@ -815,4 +815,4 @@ class CallRemoteTester extends CallTester {
     $cmd = "scp {$this->calleeHost}:{$path} {$path}";
     parent::execSync($cmd);
   }
-}
\ No newline at end of file
+}