diff --git a/pkgs/by-name/ui/uiua/package.nix b/pkgs/by-name/ui/uiua/package.nix
index 5349c1f53108..e4c8fb1c0486 100644
--- a/pkgs/by-name/ui/uiua/package.nix
+++ b/pkgs/by-name/ui/uiua/package.nix
@@ -6,6 +6,10 @@
 , audioSupport ? true
 , darwin
 , alsa-lib
+
+# passthru.tests.run
+, runCommand
+, uiua
 }:
 
 rustPlatform.buildRustPackage rec {
@@ -37,6 +41,12 @@ rustPlatform.buildRustPackage rec {
 
   buildFeatures = lib.optional audioSupport "audio";
 
+  passthru.tests.run = runCommand "uiua-test-run" {nativeBuildInputs = [uiua];} ''
+    uiua init;
+    diff -U3 --color=auto <(uiua run main.ua) <(echo '"Hello, World!"')
+    touch $out;
+  '';
+
   meta = with lib; {
     description = "A stack-oriented array programming language with a focus on simplicity, beauty, and tacit code";
     longDescription = ''