diff --git a/lib/plugin.lib.sh b/lib/plugin.lib.sh
index 8546bf4..3558e97 100644
--- a/lib/plugin.lib.sh
+++ b/lib/plugin.lib.sh
@@ -152,7 +152,7 @@ zaf_install_plugin() {
 			zaf_touch "${plugindir}/postinst.need"
 		fi
 		zaf_ctrl_install "$url" "${control}" "${plugindir}"
-		rm "${plugindir}/params"
+		rm -f "${plugindir}/params"
 		zaf_touch "${plugindir}/params"
 		(zaf_ctrl_get_global_option "${control}" "Parameters"; echo) | \
 			while read param default; do
diff --git a/zaf b/zaf
index 0ec84a5..026696c 100755
--- a/zaf
+++ b/zaf
@@ -239,6 +239,9 @@ reinstall)
 	[ -z "$1" ] && echo "$0 reinstall plugin [plugin]..."
 	for p in $@; do
 		if zaf_is_plugin "$p"; then
+			(zaf_ctrl_get_global_option "${ZAF_PLUGINS_DIR}/${p}" "Parameters"; echo) | while read param; do
+				eval export ZAF_${p}_${param}=$(zaf_get_plugin_parameter "${ZAF_PLUGINS_DIR}/${p}" $param)
+			done
 			zaf_remove_plugin "$(basename $p)"
 			reinstalled=1
 		fi