diff --git a/configuration.nix b/configuration.nix
index d605f9a..c49f15b 100755
--- a/configuration.nix
+++ b/configuration.nix
@@ -117,7 +117,7 @@
   # Open ports in the firewall.
   networking.firewall.enable = true;
   networking.firewall.allowedTCPPorts = [ 
-    1972 # SSH
+    22 # SSH
   ];
   # networking.firewall.allowedUDPPorts = [ ... ];