diff --git a/.changeset/thick-guests-attack.md b/.changeset/thick-guests-attack.md
new file mode 100644
index 0000000..adae028
--- /dev/null
+++ b/.changeset/thick-guests-attack.md
@@ -0,0 +1,5 @@
+---
+"@mangrovedao/mgv": patch
+---
+
+Fix tick in ABI
diff --git a/src/builder/offer/update.ts b/src/builder/offer/update.ts
index a650419..c798b2c 100644
--- a/src/builder/offer/update.ts
+++ b/src/builder/offer/update.ts
@@ -8,7 +8,7 @@ import { olKeyABIRaw } from '../structs.js'
 
 export const updateOfferByTickABI = parseAbi([
   olKeyABIRaw,
-  'function updateOfferByTick(OLKey memory olKey, Tick tick, uint gives, uint gasreq, uint gasprice, uint offerId) public payable',
+  'function updateOfferByTick(OLKey memory olKey, int tick, uint gives, uint gasreq, uint gasprice, uint offerId) public payable',
 ])
 
 export type UpdateOfferByTickParams = {