diff --git a/salt/common/tools/sbin/so-log-check b/salt/common/tools/sbin/so-log-check
index 4a8a1db14..29cf3708c 100755
--- a/salt/common/tools/sbin/so-log-check
+++ b/salt/common/tools/sbin/so-log-check
@@ -134,6 +134,7 @@ if [[ $EXCLUDE_STARTUP_ERRORS == 'Y' ]]; then
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|Redis may have been restarted" # Redis likely restarted by salt
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|file already closed"          # Go logging race condition during container restart
     EXCLUDED_ERRORS="$EXCLUDED_ERRORS|relation \"audit_settings\" does not exist" # salt checking for changes before SOC starts
+    EXCLUDED_ERRORS="$EXCLUDED_ERRORS|Error in plugin: elasticsearch: Unable to retrieve master node information" # expected error while ES is upgrading/electing a master 
 fi
 
 if [[ $EXCLUDE_FALSE_POSITIVE_ERRORS == 'Y' ]]; then