diff --git a/scripts/generate_initcall_order.pl b/scripts/generate_initcall_order.pl
index f772b4a01caa..bbae9398bca8 100755
--- a/scripts/generate_initcall_order.pl
+++ b/scripts/generate_initcall_order.pl
@@ -41,7 +41,7 @@ sub find_initcalls {
 
 	die "$0: object file $object doesn't exist?" if (! -f $object);
 
-	open(my $fh, "\"$nm\" -just-symbol-name -defined-only \"$object\" 2>/dev/null |")
+	open(my $fh, "\"$nm\" --just-symbol-name --defined-only \"$object\" 2>/dev/null |")
 		or die "$0: failed to execute \"$nm\": $!";
 
 	my $initcalls = {};