diff --git a/sepolia/2024-02-28-pause-unpause-portal/script/PausePortal.s.sol b/sepolia/2024-02-28-pause-unpause-portal/script/PausePortal.s.sol
index d4a2c38a..77094058 100644
--- a/sepolia/2024-02-28-pause-unpause-portal/script/PausePortal.s.sol
+++ b/sepolia/2024-02-28-pause-unpause-portal/script/PausePortal.s.sol
@@ -11,9 +11,9 @@ contract PausePortal is Script {
     function run() external {
         OptimismPortal optimismPortal = OptimismPortal(payable(OPTIMISM_PORTAL_PROXY));
 
-        vm.broadcast(vm.envUint("GUARDIAN_PRIVATE_KEY"));
+        vm.broadcast(GUARDIAN);
         optimismPortal.pause();
-        
+
         require(optimismPortal.paused() == true, "PausePortal: failed to pause");
     }
 }
diff --git a/sepolia/2024-02-28-pause-unpause-portal/script/UnpausePortal.s.sol b/sepolia/2024-02-28-pause-unpause-portal/script/UnpausePortal.s.sol
index edd3f940..8f6217ee 100644
--- a/sepolia/2024-02-28-pause-unpause-portal/script/UnpausePortal.s.sol
+++ b/sepolia/2024-02-28-pause-unpause-portal/script/UnpausePortal.s.sol
@@ -11,7 +11,7 @@ contract UnpausePortal is Script {
     function run() external {
         OptimismPortal optimismPortal = OptimismPortal(payable(OPTIMISM_PORTAL_PROXY));
 
-        vm.broadcast(vm.envUint("GUARDIAN_PRIVATE_KEY"));
+        vm.broadcast(GUARDIAN);
         optimismPortal.unpause();
 
         require(optimismPortal.paused() == false, "PausePortal: failed to unpause");