diff --git a/operating-systems/buer.scm b/operating-systems/buer.scm
index 21e721a..d82ea3d 100644
--- a/operating-systems/buer.scm
+++ b/operating-systems/buer.scm
@@ -263,7 +263,7 @@
           (service ntp-service-type)
           (service wpa-supplicant-service-type
                    (wpa-supplicant-configuration
-                    (config-file "/etc/wpa_supplicant.conf")
+                    (config-file "/etc/wpa-supplicant.conf")
                     (interface "wlp2s0")
                     (extra-options `("-B"))))
           (service dhcp-client-service-type