diff --git a/system/modules/common.nix b/system/modules/common.nix
index 1d858e644..7d940beeb 100644
--- a/system/modules/common.nix
+++ b/system/modules/common.nix
@@ -51,6 +51,8 @@
 
   services.openssh.enable = true;
 
+  programs.ssh.startAgent = true;
+
   # Open ports in the firewall.
   # networking.firewall.allowedTCPPorts = [ ... ];
   # networking.firewall.allowedUDPPorts = [ ... ];