diff --git a/include/tests_authentication b/include/tests_authentication
index 2ede2b7d..fc785121 100644
--- a/include/tests_authentication
+++ b/include/tests_authentication
@@ -40,7 +40,12 @@
     if [ ${SKIPTEST} -eq 0 ]; then
         # Search accounts with UID 0
         LogText "Test: Searching accounts with UID 0"
-        FIND=$(${GREPBINARY} ':0:' ${ROOTDIR}etc/passwd | ${EGREPBINARY} -v '^#|^root:|^(\+:\*)?:0:0:::' | ${CUTBINARY} -d ":" -f1,3 | ${GREPBINARY} ':0')
+        # Check if device is a QNAP, as the root user is called admin, and not root
+        if [ ${QNAP_DEVICE} -eq 1 ]; then
+            FIND=$(${GREPBINARY} ':0:' ${ROOTDIR}etc/passwd | ${EGREPBINARY} -v '^#|^admin:|^(\+:\*)?:0:0:::' | ${CUTBINARY} -d ":" -f1,3 | ${GREPBINARY} ':0')
+        else
+            FIND=$(${GREPBINARY} ':0:' ${ROOTDIR}etc/passwd | ${EGREPBINARY} -v '^#|^root:|^(\+:\*)?:0:0:::' | ${CUTBINARY} -d ":" -f1,3 | ${GREPBINARY} ':0')
+        fi
         if [ ! -z "${FIND}" ]; then
             Display --indent 2 --text "- Administrator accounts" --result "${STATUS_WARNING}" --color RED
             LogText "Result: Found more than one administrator accounts"