diff --git a/tools/testing/ktest/ktest.pl b/tools/testing/ktest/ktest.pl
index a14fc309d1408ccaf1a5ce17042bf18f95a55f6e..777388cc822111c7aa9814121463c0cad152c116 100755
--- a/tools/testing/ktest/ktest.pl
+++ b/tools/testing/ktest/ktest.pl
@@ -1872,7 +1872,7 @@ sub get_grub2_index {
 	    $grub_number++;
 	    $found = 1;
 	    last;
-	} elsif (/^menuentry\s/) {
+	} elsif (/^menuentry\s|^submenu\s/) {
 	    $grub_number++;
 	}
     }