diff --git a/blockcheck.sh b/blockcheck.sh
index 817cf46..7acee08 100755
--- a/blockcheck.sh
+++ b/blockcheck.sh
@@ -6,7 +6,8 @@ ZAPRET_BASE="$EXEDIR"
 
 [ -n "$QNUM" ] || QNUM=59780
 [ -n "$TPPORT" ] || TPPORT=993
-[ -n "$TPWS_UID" ] || TPWS_UID=1:3003
+[ -n "$TPWS_UID" ] || TPWS_UID=1
+[ -n "$TPWS_GID" ] || TPWS_GID=3003
 [ -n "$NFQWS" ] || NFQWS="$ZAPRET_BASE/nfq/nfqws"
 [ -n "$DVTWS" ] || DVTWS="$ZAPRET_BASE/nfq/dvtws"
 [ -n "$TPWS" ] || TPWS="$ZAPRET_BASE/tpws/tpws"
@@ -410,7 +411,7 @@ pktws_start()
 }
 tpws_start()
 {
-	"$TPWS" --uid $TPWS_UID:$TPWS_UID --bind-addr=$LOCALHOST --port=$TPPORT "$@" >/dev/null &
+	"$TPWS" --uid $TPWS_UID:$TPWS_GID --bind-addr=$LOCALHOST --port=$TPPORT "$@" >/dev/null &
 	PID=$!
 	# give some time to initialize
 	sleep 1