1 files changed, 7 insertions, 0 deletions
diff --git a/nixos/modules/services/x11/hardware/synaptics.nix b/nixos/modules/services/x11/hardware/synaptics.nix
index e74b19c8e710..5c068e89dd71 100644
--- a/nixos/modules/services/x11/hardware/synaptics.nix
+++ b/nixos/modules/services/x11/hardware/synaptics.nix
@@ -205,6 +205,13 @@ in {
         EndSection
       '';
 
+    assertions = [
+      {
+        assertion = !config.services.xserver.libinput.enable;
+        message = "Synaptics and libinput are incompatible, you cannot enable both (in services.xserver).";
+      }
+    ];
+
   };
 
 }