diff --git a/packages/builders/test/snapshots/orchestration-imports.test.js.md b/packages/builders/test/snapshots/orchestration-imports.test.js.md
index 4ef4fc7dc4e..ecdfe224713 100644
--- a/packages/builders/test/snapshots/orchestration-imports.test.js.md
+++ b/packages/builders/test/snapshots/orchestration-imports.test.js.md
@@ -25,7 +25,7 @@ Generated by [AVA](https://avajs.dev).
             denom: Object @match:string {
               payload: [],
             },
-            value: Object @match:bigint {
+            value: Object @match:nat {
               payload: [],
             },
           },
@@ -174,7 +174,7 @@ Generated by [AVA](https://avajs.dev).
                   denom: Object @match:string {
                     payload: [],
                   },
-                  value: Object @match:bigint {
+                  value: Object @match:nat {
                     payload: [],
                   },
                 },
@@ -211,7 +211,7 @@ Generated by [AVA](https://avajs.dev).
         denom: Object @match:string {
           payload: [],
         },
-        value: Object @match:bigint {
+        value: Object @match:nat {
           payload: [],
         },
       },
diff --git a/packages/builders/test/snapshots/orchestration-imports.test.js.snap b/packages/builders/test/snapshots/orchestration-imports.test.js.snap
index 32dc1cdcc42..36954c0af3c 100644
Binary files a/packages/builders/test/snapshots/orchestration-imports.test.js.snap and b/packages/builders/test/snapshots/orchestration-imports.test.js.snap differ
diff --git a/packages/orchestration/src/typeGuards.js b/packages/orchestration/src/typeGuards.js
index 6a7571959a9..48d11aa7e43 100644
--- a/packages/orchestration/src/typeGuards.js
+++ b/packages/orchestration/src/typeGuards.js
@@ -117,7 +117,7 @@ export const DenomInfoShape = {
 };
 
 /** @type {TypedPattern<DenomAmount>} */
-export const DenomAmountShape = { denom: DenomShape, value: M.bigint() };
+export const DenomAmountShape = { denom: DenomShape, value: M.nat() };
 
 /** @type {TypedPattern<Amount<'nat'>>} */
 export const AnyNatAmountShape = harden({