diff --git a/update.sh b/update.sh
index 1dc73b54..d3c43f6b 100644
--- a/update.sh
+++ b/update.sh
@@ -1,9 +1,10 @@
 #!/bin/bash
 
-SCRIPT_VERSION="8"
+SCRIPT_VERSION="9"
 SCRIPT_URL='https://raw.githubusercontent.com/wh1te909/tacticalrmm/develop/update.sh'
 YELLOW='\033[1;33m'
 GREEN='\033[0;32m'
+RED='\033[0;31m'
 NC='\033[0m'
 
 TMP_FILE=$(mktemp -p "" "rmmupdate_XXXXXXXXXX")
@@ -24,6 +25,14 @@ if [ $EUID -eq 0 ]; then
   exit 1
 fi
 
+strip="User="
+ORIGUSER=$(grep ${strip} /etc/systemd/system/rmm.service | sed -e "s/^${strip}//")
+
+if [ "$ORIGUSER" != "$USER" ]; then
+  printf >&2 "${RED}ERROR: You must run this update script from the same user account used during install: ${GREEN}${ORIGUSER}${NC}\n"
+  exit 1
+fi
+
 # added new celery queue 9-7-2020
 if [ ! -f /etc/systemd/system/celery-winupdate.service ]; then
 celerywinupdatesvc="$(cat << EOF