diff --git a/extensions/discord/src/monitor/native-command.commands-allowfrom.test.ts b/extensions/discord/src/monitor/native-command.commands-allowfrom.test.ts
index d62ba6995cb..efa09626b50 100644
--- a/extensions/discord/src/monitor/native-command.commands-allowfrom.test.ts
+++ b/extensions/discord/src/monitor/native-command.commands-allowfrom.test.ts
@@ -291,6 +291,27 @@ describe("Discord native slash commands with commands.allowFrom", () => {
     expectUnauthorizedReply(interaction);
   });
 
+  it("rejects guild slash commands when owner restrictions are configured and the sender is not allowlisted", async () => {
+    const { dispatchSpy, interaction } = await runGuildSlashCommand({
+      userId: "999999999999999999",
+      mutateConfig: (cfg) => {
+        cfg.commands = {
+          ...cfg.commands,
+          allowFrom: undefined,
+        };
+        cfg.channels = {
+          ...cfg.channels,
+          discord: {
+            ...cfg.channels?.discord,
+            allowFrom: ["user:123456789012345678"],
+          },
+        };
+      },
+    });
+    expect(dispatchSpy).not.toHaveBeenCalled();
+    expectUnauthorizedReply(interaction);
+  });
+
   it("rejects guild slash commands outside the Discord allowlist when commands.useAccessGroups is false and commands.allowFrom is not configured", async () => {
     const { dispatchSpy, interaction } = await runGuildSlashCommand({
       mutateConfig: (cfg) => {