diff --git a/modules/base/network/mobile.nix b/modules/base/network/mobile.nix
index 73079754..6776c661 100644
--- a/modules/base/network/mobile.nix
+++ b/modules/base/network/mobile.nix
@@ -42,7 +42,7 @@
               phase1="peaplabel=0"
               phase2="auth=MSCHAPV2"
               group=CCMP TKIP
-              ca_cert="/etc/ssl/certs/ca-bundle.crt"
+              ca_cert="${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt"
               altsubject_match="DNS:ugnps.ugent.be"
             '';
           };