diff --git a/include/tests_authentication b/include/tests_authentication
index c5c71eee..c3c072f5 100644
--- a/include/tests_authentication
+++ b/include/tests_authentication
@@ -488,15 +488,15 @@
 
             "NetBSD"|"OpenBSD")
                 if [ -f ${ROOTDIR}etc/usermgmt.conf ]; then
-			UID_RANGE=$(${GREPBINARY} "^range" ${ROOTDIR}etc/usermgmt.conf | ${AWKBINARY} '{ sub(/\.\./, "-", $2); print $2 }')
+                    UID_RANGE=$(${GREPBINARY} "^range" ${ROOTDIR}etc/usermgmt.conf | ${AWKBINARY} '{ sub(/\.\./, "-", $2); print $2 }')
                 fi
-		if [ -n "${UID_RANGE}" ]; then
+                if [ -n "${UID_RANGE}" ]; then
                     LogText "Result: found configured user id range specified: ${UID_RANGE}"
                     UID_MIN=$(echo $UID_RANGE | ${AWKBINARY} -F- '{ print $1 }')
                     UID_MAX=$(echo $UID_RANGE | ${AWKBINARY} -F- '{ print $2 }')
                 else
                     UID_MIN=1000
-		    UID_MAX=60000
+                    UID_MAX=60000
                     LogText "Result: no configured user id range specified; using default ${UID_MIN}-${UID_MAX}"
                 fi
                 LogText "${OS} real users output (ID = 0, or ${UID_MIN}-${UID_MAX}, but not 32767):"