diff --git a/plugins/ftp/proftpd_count b/plugins/ftp/proftpd_count
index 13f50eec..d147c49a 100755
--- a/plugins/ftp/proftpd_count
+++ b/plugins/ftp/proftpd_count
@@ -25,13 +25,12 @@ LOGTAIL=${logtail:-`which logtail`}
 STATEFILE=$MUNIN_PLUGSTATE/xferlog-count.offset
 
 if [ "$1" = "autoconf" ]; then
-        if [ -f "${LOGFILE}" -a -n "${LOGTAIL}" -a -x "${LOGTAIL}" ] ; then
-		echo yes
-		exit 0
-	else
-		echo no
-		exit 1
-	fi
+    if [ -f "$LOGFILE" ] && [ -n "$LOGTAIL" ] && [ -x "$LOGTAIL" ] ; then
+        echo yes
+    else
+        echo "no (missing logfile or 'logtail' executable)"
+    fi
+    exit 0
 fi
 
 if [ "$1" = "config" ]; then