diff --git a/package/network/ipv6/odhcp6c/files/dhcpv6.script b/package/network/ipv6/odhcp6c/files/dhcpv6.script
index 5f3ff1546e..5e5b9a9cea 100755
--- a/package/network/ipv6/odhcp6c/files/dhcpv6.script
+++ b/package/network/ipv6/odhcp6c/files/dhcpv6.script
@@ -34,10 +34,10 @@ setup_interface () {
 
 	for prefix in $PREFIXES; do
 		proto_add_ipv6_prefix "$prefix"
-                local entry="${prefix#*/}"
-                entry="${entry#*,}"
-                entry="${entry#*,}"
-                local valid="${entry%%,*}"
+		local entry="${prefix#*/}"
+		entry="${entry#*,}"
+		entry="${entry#*,}"
+		local valid="${entry%%,*}"
 
 		if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
 				-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
@@ -69,10 +69,10 @@ setup_interface () {
 
 		proto_add_ipv6_address "$addr" "$mask" "$preferred" "$valid" 1
 
-                if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
-                                -z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
-                        RA_ROUTES="::/0,$SERVER,$valid,4096"
-                fi
+		if [ -z "$RA_ADDRESSES" -a -z "$RA_ROUTES" -a \
+				-z "$RA_DNS" -a "$FAKE_ROUTES" = 1 ]; then
+			RA_ROUTES="::/0,$SERVER,$valid,4096"
+		fi
 	done
 
 	for entry in $RA_ROUTES; do