diff --git a/.changeset/itchy-bags-allow.md b/.changeset/itchy-bags-allow.md
new file mode 100644
index 0000000..da04136
--- /dev/null
+++ b/.changeset/itchy-bags-allow.md
@@ -0,0 +1,5 @@
+---
+"@shadeprotocol/shadejs": patch
+---
+
+fix withdraw collateral msg
diff --git a/src/contracts/definitions/moneyMarket.ts b/src/contracts/definitions/moneyMarket.ts
index 002d841..e4938b9 100644
--- a/src/contracts/definitions/moneyMarket.ts
+++ b/src/contracts/definitions/moneyMarket.ts
@@ -82,7 +82,7 @@ function msgMoneyMarketWithdrawCollateral({
   collateralTokenAddress: string,
 }) {
   return {
-    deposit_collateral: {
+    withdraw_collateral: {
       token: collateralTokenAddress,
       amount: withdrawAmount,
     },