diff --git a/test/gatekeeper/Gatekeeper.t.sol b/test/gatekeeper/Gatekeeper.t.sol
index 0e392cf..57f3b87 100644
--- a/test/gatekeeper/Gatekeeper.t.sol
+++ b/test/gatekeeper/Gatekeeper.t.sol
@@ -35,6 +35,16 @@ contract GatekeeperTest is Test {
         assertEq(gatekeeper.ghostedSupply(), ghostedSupply + ghostAmount);
     }
 
+    function test_couldNotGhostTokensFromArbitraryAddress(address someone) public {
+        vm.assume(someone != alice);
+        bytes32 receiver = bytes32(abi.encodePacked(alice));
+
+        vm.expectRevert();
+        vm.prank(someone);
+        gatekeeper.ghost(receiver, 69);
+        assertEq(gatekeeper.ghostedSupply(), 0);
+    }
+
     function test_ghostTokensEmitsEvent(uint256 ghostAmount) public {
         vm.assume(ghostAmount > 0);
         bytes32 receiver = bytes32(abi.encodePacked(alice));