diff --git a/source/ubinstall-gtk.h b/source/ubinstall-gtk.h
index 6d48002..defcf84 100755
--- a/source/ubinstall-gtk.h
+++ b/source/ubinstall-gtk.h
@@ -297,7 +297,7 @@ layout && /description:/ {\
 #define get_localisation_command "ubconfig -ea --source global get [autoinstall] AUTOINSTALL[installer_locale] -- get [autoinstall] AUTOINSTALL['ubconfig set [locale] LANG'] -- get [locale] LANG"
 
 #define install_start_command(path) yon_char_unite("/usr/bin/bash -c \"nice ubinstall autoinstall",main_config.debug_mode?" --debug":""," --noautoconfig --noinstall_extra"," --config='",path,"'\"", NULL)
-#define configuration_start_command(path) yon_char_unite("nice ubinstall autoconfig install_extra",main_config.debug_mode?" --debug":""," --config='",path,"'\"", NULL)
+#define configuration_start_command(path) yon_char_unite("nice ubinstall autoconfig install_extra",main_config.debug_mode?" --debug":""," --config='",path,"'", NULL)
 
 #define auto_install_command(path) yon_char_unite("nice ubinstall autoinstall",main_config.debug_mode?" --debug":""," --config='",path,"'", NULL)