diff --git a/jenkins_check_update b/jenkins_check_update
index d43d7f4..96bf878 100755
--- a/jenkins_check_update
+++ b/jenkins_check_update
@@ -33,7 +33,7 @@ then
 	touch "${JENKINS_PLUGIN_UPDATE_LOG}"
 	#printf '%b\n' "Please upgrade plugins"
 else
-	rm -f "${JENKINS_PLUGIN_UPDATE_LOG}"
+	rm -f -- "${JENKINS_PLUGIN_UPDATE_LOG}"
 	#printf '%b\n' "Nothing to do"
 fi
 cd - > /dev/null || exit
diff --git a/jenkins_update_plugins b/jenkins_update_plugins
index a5ca708..8a9f122 100755
--- a/jenkins_update_plugins
+++ b/jenkins_update_plugins
@@ -14,6 +14,7 @@ JENKINS_CLI_JAR="${JENKINS_HOME}/war/WEB-INF/jenkins-cli.jar"
 JENKINS_AUTH_FILE="/root/.jenkins.auth"
 
 JENKINS_PLUGIN_LIST_FILE="${JENKINS_HOME}/updates/.plugin_list.$(date +%Y%m%d)"
+JENKINS_PLUGIN_UPDATE_LOG="${JENKINS_HOME}/.update_plugin"
 
 if [ ! -f "${JENKINS_CLI_JAR}" ]; then
 	printf '%b\n' "Jenkins-cli (${JENKINS_CLI_JAR}) does not seem to be available."
@@ -54,5 +55,6 @@ cd - > /dev/null || exit
 
 # Purge "log" files older than 30 days
 find "${JENKINS_HOME}/updates" -iname ".plugin_list*" -mtime +30 -delete
+rm -f -- "${JENKINS_PLUGIN_UPDATE_LOG}"
 
 exit 0