diff --git a/src/freedombone-mesh-batman b/src/freedombone-mesh-batman
index 3e0e18e7..85e8fa33 100755
--- a/src/freedombone-mesh-batman
+++ b/src/freedombone-mesh-batman
@@ -165,11 +165,11 @@ function stop {
     iptables -D INPUT -p udp --dport 8942 -j ACCEPT
 
     iptables -t nat -D POSTROUTING -o $EIFACE -j MASQUERADE
-    iptables -D FORWARD -i $EIFACE -o $IFACE -j ACCEPT -m state –state RELATED,ESTABLISHED
+    iptables -D FORWARD -i $EIFACE -o $IFACE -j ACCEPT -m state --state RELATED,ESTABLISHED
     iptables -D FORWARD -i $IFACE -o $EIFACE -j ACCEPT
 
     if [ $IFACE_SECONDARY ]; then
-        iptables -D FORWARD -i $IFACE -o $IFACE_SECONDARY -j ACCEPT -m state –state RELATED,ESTABLISHED
+        iptables -D FORWARD -i $IFACE -o $IFACE_SECONDARY -j ACCEPT -m state --state RELATED,ESTABLISHED
         iptables -D FORWARD -i $IFACE_SECONDARY -o $IFACE -j ACCEPT
     fi
 
@@ -339,11 +339,11 @@ function start {
     iptables -A INPUT -p udp --dport 8942 -j ACCEPT
 
     iptables -t nat -A POSTROUTING -o $EIFACE -j MASQUERADE
-    iptables -A FORWARD -i $EIFACE -o $IFACE -j ACCEPT -m state –state RELATED,ESTABLISHED
+    iptables -A FORWARD -i $EIFACE -o $IFACE -j ACCEPT -m state --state RELATED,ESTABLISHED
     iptables -A FORWARD -i $IFACE -o $EIFACE -j ACCEPT
 
     if [ $hotspot_enabled ]; then
-        iptables -A FORWARD -i $IFACE -o $IFACE_SECONDARY -j ACCEPT -m state –state RELATED,ESTABLISHED
+        iptables -A FORWARD -i $IFACE -o $IFACE_SECONDARY -j ACCEPT -m state --state RELATED,ESTABLISHED
         iptables -A FORWARD -i $IFACE_SECONDARY -o $IFACE -j ACCEPT
     fi