diff --git a/src/SlashingRegistryCoordinator.sol b/src/SlashingRegistryCoordinator.sol
index 0eae566d..0e479802 100644
--- a/src/SlashingRegistryCoordinator.sol
+++ b/src/SlashingRegistryCoordinator.sol
@@ -830,7 +830,8 @@ contract SlashingRegistryCoordinator is
         } else if (stakeType == IStakeRegistryTypes.StakeType.TOTAL_SLASHABLE) {
             // For slashable stake quorums, ensure lookAheadPeriod is less than DEALLOCATION_DELAY
             require(
-                AllocationManager(address(allocationManager)).DEALLOCATION_DELAY() > lookAheadPeriod,
+                lookAheadPeriod
+                    <= AllocationManager(address(allocationManager)).DEALLOCATION_DELAY(),
                 LookAheadPeriodTooLong()
             );
             stakeRegistry.initializeSlashableStakeQuorum(
diff --git a/test/unit/SlashingRegistryCoordinatorUnit.t.sol b/test/unit/SlashingRegistryCoordinatorUnit.t.sol
index a2cf0c4e..d9daf145 100644
--- a/test/unit/SlashingRegistryCoordinatorUnit.t.sol
+++ b/test/unit/SlashingRegistryCoordinatorUnit.t.sol
@@ -735,7 +735,7 @@ contract SlashingRegistryCoordinator_CreateSlashableStakeQuorum is
         uint32 deallocationDelay =
             AllocationManager(address(coreDeployment.allocationManager)).DEALLOCATION_DELAY();
 
-        uint32 tooLongLookAheadPeriod = deallocationDelay;
+        uint32 tooLongLookAheadPeriod = deallocationDelay + 1;
 
         vm.prank(proxyAdminOwner);
         vm.expectRevert(LookAheadPeriodTooLong.selector);