diff --git a/nixos/modules/services/x11/desktop-managers/kde5.nix b/nixos/modules/services/x11/desktop-managers/kde5.nix
index 4cdc880d04c..02e51577e3e 100644
--- a/nixos/modules/services/x11/desktop-managers/kde5.nix
+++ b/nixos/modules/services/x11/desktop-managers/kde5.nix
@@ -122,6 +122,8 @@ in
 
     fonts.fonts = [ plasma5.oxygen-fonts ];
 
+    programs.ssh.askPassword = "${plasma5.ksshaskpass}/bin/ksshaskpass";
+
     # Enable helpful DBus services.
     services.udisks2.enable = true;
     services.upower.enable = config.powerManagement.enable;