diff --git a/modules/nixos/system/common.nix b/modules/nixos/system/common.nix
new file mode 100644
index 0000000..03a0d16
--- /dev/null
+++ b/modules/nixos/system/common.nix
@@ -0,0 +1,5 @@
+{
+  environment.variables = {
+    LESS = "-R --mouse";
+  };
+}
diff --git a/modules/nixos/system/default.nix b/modules/nixos/system/default.nix
index 02a4904..71a78b0 100644
--- a/modules/nixos/system/default.nix
+++ b/modules/nixos/system/default.nix
@@ -1,5 +1,6 @@
 {
   imports = [
+    ./common.nix
     ./misc
     ./security
     ./virtual