diff --git a/src/utils/g/EnumerableSetLib.sol b/src/utils/g/EnumerableSetLib.sol
index f5fef1e41..ca417a5f2 100644
--- a/src/utils/g/EnumerableSetLib.sol
+++ b/src/utils/g/EnumerableSetLib.sol
@@ -282,10 +282,14 @@ library EnumerableSetLib {
                 let p := keccak256(0x00, 0x40)
                 if iszero(sload(p)) {
                     n := shr(1, n)
-                    sstore(add(rootSlot, n), shl(96, value))
+                    result := 1
                     sstore(p, add(1, n))
+                    if iszero(n) {
+                        sstore(rootSlot, or(3, shl(96, value)))
+                        break
+                    }
+                    sstore(add(rootSlot, n), shl(96, value))
                     sstore(rootSlot, add(2, rootPacked))
-                    result := 1
                     break
                 }
                 break