diff --git a/scripts/block_exchange.sh b/scripts/block_exchange.sh
index 2bb13af..28052d9 100644
--- a/scripts/block_exchange.sh
+++ b/scripts/block_exchange.sh
@@ -1 +1 @@
-iptables -I FORWARD -i %i -o %i -j REJECT
+iptables -I FORWARD -i wg0 -o wg0 -j REJECT
diff --git a/scripts/unblock_exchange.sh b/scripts/unblock_exchange.sh
index 7e3cf27..5fd51ba 100644
--- a/scripts/unblock_exchange.sh
+++ b/scripts/unblock_exchange.sh
@@ -1 +1 @@
-iptables -D FORWARD -i %i -o %i -j REJECT
+iptables -D FORWARD -i wg0 -o wg0 -j REJECT