diff --git a/src/freedombone-controlpanel b/src/freedombone-controlpanel
index b5144c40..7d0a72c5 100755
--- a/src/freedombone-controlpanel
+++ b/src/freedombone-controlpanel
@@ -515,7 +515,7 @@ function smtp_proxy {
         if ! grep "set smtp_url" $MUTTRC_FILE; then
             echo "set smtp_url=\"${SMTP_PROXY_PROTOCOL}://${SMTP_PROXY_USERNAME}:${SMTP_PROXY_PASSWORD}@${SMTP_PROXY_SERVER}:${SMTP_PROXY_PORT}/\"" >> $MUTTRC_FILE
         else
-            sed -i "s|set smtp_url=.*|set smtp_url=\"${SMTP_PROXY_PROTOCOL}://${SMTP_PROXY_USNAME}:${SMTP_PROXY_PASSWORD}@${SMTP_PROXY_SERVER}:${SMTP_PROXY_PORT}/\"|g" $MUTTRC_FILE
+            sed -i "s|set smtp_url=.*|set smtp_url=\"${SMTP_PROXY_PROTOCOL}://${SMTP_PROXY_USERNAME}:${SMTP_PROXY_PASSWORD}@${SMTP_PROXY_SERVER}:${SMTP_PROXY_PORT}/\"|g" $MUTTRC_FILE
         fi          
         sed -i 's|#set smtp_url|set smtp_url|g' $MUTTRC_FILE
     else
diff --git a/src/freedombone-controlpanel-user b/src/freedombone-controlpanel-user
index 2079c8e7..f091ee59 100755
--- a/src/freedombone-controlpanel-user
+++ b/src/freedombone-controlpanel-user
@@ -529,7 +529,7 @@ function smtp_proxy {
         if ! grep -q "set smtp_url" $MUTTRC_FILE; then
             echo "set smtp_url=\"${SMTP_PROXY_PROTOCOL}://${SMTP_PROXY_USERNAME}:${SMTP_PROXY_PASSWORD}@${SMTP_PROXY_SERVER}:${SMTP_PROXY_PORT}/\"" >> $MUTTRC_FILE
         else
-            sed -i "s|set smtp_url=.*|set smtp_url=\"${SMTP_PROXY_PROTOCOL}://${SMTP_PROXY_USNAME}:${SMTP_PROXY_PASSWORD}@${SMTP_PROXY_SERVER}:${SMTP_PROXY_PORT}/\"|g" $MUTTRC_FILE
+            sed -i "s|set smtp_url=.*|set smtp_url=\"${SMTP_PROXY_PROTOCOL}://${SMTP_PROXY_USERNAME}:${SMTP_PROXY_PASSWORD}@${SMTP_PROXY_SERVER}:${SMTP_PROXY_PORT}/\"|g" $MUTTRC_FILE
         fi          
         sed -i 's|#set smtp_url|set smtp_url|g' $MUTTRC_FILE
     else