diff --git a/source/ubl-settings-usergroups.h b/source/ubl-settings-usergroups.h
index 1102986..1925ece 100644
--- a/source/ubl-settings-usergroups.h
+++ b/source/ubl-settings-usergroups.h
@@ -44,7 +44,7 @@
 #define samba_sync_command(user) yon_char_unite("sudo smbpasswd -Las ",user,NULL)
 #define samba_sync_password_command(user, password) yon_char_unite("(echo \"",password,"\"; echo \"",password,"\") | sudo smbpasswd -Las ",user,NULL)
 #define get_passwords_command "ubconfig --target global get [users] USERADD[*] GROUPADD[*]"
-#define check_is_password_hash(password) system(yon_char_append("/lib/ublinux/functions is_hash_password ", password))
+#define check_is_password_hash(password) system(yon_char_unite("/lib/ublinux/functions is_hash_password '", password,"'",NULL))
 
 #define groups_path "/etc/group"
 #define users_path "/etc/passwd"