diff --git a/test/rescue/RescuerTest.sol b/test/rescue/RescuerTest.sol
index 1e2cd84..326e8e9 100644
--- a/test/rescue/RescuerTest.sol
+++ b/test/rescue/RescuerTest.sol
@@ -161,6 +161,7 @@ contract RescuerTest is Test {
         uint withdrawal
     ) public {
         vm.assume(receiver.code.length == 0);
+        vm.assume(uint160(address(receiver)) > 100); // Ensure no precompile
         vm.assume(balance >= withdrawal);
 
         // Let rescuer have ETH balance.