diff --git a/.gas-snapshot b/.gas-snapshot
index 892cf94..9ac2ead 100644
--- a/.gas-snapshot
+++ b/.gas-snapshot
@@ -72,7 +72,8 @@ testSetDefaultHarvestWindow() (gas: 65482)
 testDefaultHarvestWindowOverridesCustomOfZero() (gas: 67656)
 testSetCustomTargetFloatPercent() (gas: 53993)
 testSetDefaultHarvestDelay() (gas: 55816)
-testFailNoDuplicateVaults() (gas: 272747603292618)
+testIsVaultDeployed() (gas: 3690)
+testFailNoDuplicateVaults() (gas: 272747603292619)
 testDeployVault() (gas: 4154358)
 testVaultCreation() (gas: 4309323)
 testSetConfigurationModule() (gas: 3471)
diff --git a/src/test/VaultFactory.t.sol b/src/test/VaultFactory.t.sol
index dd54c9c..ce0f690 100644
--- a/src/test/VaultFactory.t.sol
+++ b/src/test/VaultFactory.t.sol
@@ -31,4 +31,8 @@ contract VaultFactoryTest is DSTestPlus {
         vaultFactory.deployVault(underlying);
         vaultFactory.deployVault(underlying);
     }
+
+    function testIsVaultDeployed() public {
+        assertFalse(vaultFactory.isVaultDeployed(Vault(payable(address(0xBEEF)))));
+    }
 }