diff --git a/server/frontend/app/classes/network.py b/server/frontend/app/classes/network.py
index d32e0eb..584e10b 100644
--- a/server/frontend/app/classes/network.py
+++ b/server/frontend/app/classes/network.py
@@ -109,7 +109,7 @@ class Network(object):
                         "key_mgmt": "WPA-PSK"
                     })
 
-            with open("/etc/wpa_supplicant/wpa_supplicant.conf", "r+") as f:
+            with open("/etc/wpa_supplicant/wpa_supplicant.conf", "w+") as f:
                 content = header
                 for network in networks:
                     net = "network={\n"