diff --git a/exec/install-xtrn.js b/exec/install-xtrn.js
index 724fb68adbfeb2dc4eb6fba8024adc41d9153d24..6845ad660365a7846671bfbafeb3de0ecddcb5bb 100644
--- a/exec/install-xtrn.js
+++ b/exec/install-xtrn.js
@@ -449,7 +449,7 @@ var xtrn_dirs = fullpath(system.ctrl_dir + "../xtrn/*");
 if(!ini_list.length) {
 	var dir_list = directory(xtrn_dirs);
 	for(var d in dir_list) {
-		if(!options.overwrite && find_startup_dir(dir_list[d]))
+		if(!options.overwrite && find_startup_dir(dir_list[d]) >= 0)
 			continue;
 		var fname = file_getcase(dir_list[d] + ini_fname);
 		if(fname)