diff --git a/.changeset/perfect-balloons-obey.md b/.changeset/perfect-balloons-obey.md
new file mode 100644
index 000000000..24a312f66
--- /dev/null
+++ b/.changeset/perfect-balloons-obey.md
@@ -0,0 +1,5 @@
+---
+"@azure-tools/cadl-ranch-specs": patch
+---
+
+fix(test): adopt `coercedBodyEquals`
diff --git a/packages/cadl-ranch-specs/http/type/property/nullable/mockapi.ts b/packages/cadl-ranch-specs/http/type/property/nullable/mockapi.ts
index cc3377484..05416698b 100644
--- a/packages/cadl-ranch-specs/http/type/property/nullable/mockapi.ts
+++ b/packages/cadl-ranch-specs/http/type/property/nullable/mockapi.ts
@@ -36,7 +36,7 @@ function createServerTests(url: string, value: unknown, patchNullableProperty?:
         status: 204,
       },
       handler: (req: MockRequest) => {
-        req.expect.bodyEquals({
+        req.expect.coercedBodyEquals({
           requiredProperty: "foo",
           nullableProperty: patchNullableProperty || null,
         });
diff --git a/packages/cadl-ranch-specs/http/type/property/optionality/mockapi.ts b/packages/cadl-ranch-specs/http/type/property/optionality/mockapi.ts
index ba4b77390..fe4b39285 100644
--- a/packages/cadl-ranch-specs/http/type/property/optionality/mockapi.ts
+++ b/packages/cadl-ranch-specs/http/type/property/optionality/mockapi.ts
@@ -30,7 +30,7 @@ function createServerTests(url: string, value: unknown) {
         status: 204,
       },
       handler: (req: MockRequest) => {
-        req.expect.bodyEquals(value);
+        req.expect.coercedBodyEquals(value);
         return {
           status: 204,
         };