diff --git a/portwine_install_script/PortProton-97 b/portwine_install_script/PortProton-97
index c62ccd6b..194c5967 100755
--- a/portwine_install_script/PortProton-97
+++ b/portwine_install_script/PortProton-97
@@ -10,7 +10,7 @@ deflink="${HOME}/PortWINE/${portname}"
 if [ "$(dirname "`readlink -f "$0"`")" == "/usr/bin" ] ; then
 	[ -z "${XDG_DATA_HOME}" ] && export XDG_DATA_HOME="$HOME/.local/share"
 	if [ -f "${XDG_DATA_HOME}/PortWINE/PortProton/data/scripts/start.sh" ] ; then
-		/bin/bash -c "${XDG_DATA_HOME}/PortWINE/PortProton/data/scripts/start.sh" "$@"
+		/bin/bash "${XDG_DATA_HOME}/PortWINE/PortProton/data/scripts/start.sh" "$@"
 		exit 0
 	else
 		if [ ! -z "`locale | grep "LANG=ru_RU.UTF-8"`" ] ; then