diff --git a/include/tests_authentication b/include/tests_authentication
index 9a33cea1..8e0448f0 100644
--- a/include/tests_authentication
+++ b/include/tests_authentication
@@ -41,9 +41,9 @@
         LogText "Test: Searching accounts with UID 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 | ${GREPBINARY} -E -v '^#|^admin:|^(\+:\*)?:0:0:::' | ${CUTBINARY} -d ":" -f1,3 | ${GREPBINARY} ':0')
+            FIND=$(${GREPBINARY} ':0:' ${ROOTDIR}etc/passwd | ${GREPBINARY} -E -v '^#|^admin:|^(\+:\*)?:0:0:::' | ${CUTBINARY} -d ":" -f1,3 | ${GREPBINARY} ':0' | ${CUTBINARY} -d ":" -f1)
         else
-            FIND=$(${GREPBINARY} ':0:' ${ROOTDIR}etc/passwd | ${GREPBINARY} -E -v '^#|^root:|^(\+:\*)?:0:0:::' | ${CUTBINARY} -d ":" -f1,3 | ${GREPBINARY} ':0')
+            FIND=$(${GREPBINARY} ':0:' ${ROOTDIR}etc/passwd | ${GREPBINARY} -E -v '^#|^root:|^(\+:\*)?:0:0:::' | ${CUTBINARY} -d ":" -f1,3 | ${GREPBINARY} ':0' | ${CUTBINARY} -d ":" -f1)
         fi
         if [ -n "${FIND}" ]; then
             Display --indent 2 --text "- Administrator accounts" --result "${STATUS_WARNING}" --color RED