diff --git a/packages/typespec-client-generator-core/src/types.ts b/packages/typespec-client-generator-core/src/types.ts
index 2253551e2..7626bede4 100644
--- a/packages/typespec-client-generator-core/src/types.ts
+++ b/packages/typespec-client-generator-core/src/types.ts
@@ -1331,8 +1331,8 @@ function updateMultiPartInfo(
         : undefined,
       contentType: httpOperationPart.body.contentTypeProperty
         ? diagnostics.pipe(
-          getSdkModelPropertyType(context, httpOperationPart.body.contentTypeProperty, operation),
-        )
+            getSdkModelPropertyType(context, httpOperationPart.body.contentTypeProperty, operation),
+          )
         : undefined,
       defaultContentTypes: httpOperationPart.body.contentTypes,
     };
@@ -1662,8 +1662,9 @@ function updateTypesFromOperation(
     // conflicting usage between multipart and regular body
     if (sdkType.kind === "model") {
       const isUsedInMultipart = (sdkType.usage & UsageFlags.MultipartFormData) > 0;
-      const isUsedInOthers = ((sdkType.usage & UsageFlags.Json) | (sdkType.usage & UsageFlags.Xml)) > 0;
-      if (!multipartOperation && isUsedInMultipart || multipartOperation && isUsedInOthers) {
+      const isUsedInOthers =
+        ((sdkType.usage & UsageFlags.Json) | (sdkType.usage & UsageFlags.Xml)) > 0;
+      if ((!multipartOperation && isUsedInMultipart) || (multipartOperation && isUsedInOthers)) {
         // This means we have a model that is used both for formdata input and for regular body input
         diagnostics.add(
           createDiagnostic({
@@ -1672,7 +1673,7 @@ function updateTypesFromOperation(
             format: {
               modelName: sdkType.name,
             },
-          })
+          }),
         );
       }
     }
diff --git a/packages/typespec-client-generator-core/test/types/multipart-types.test.ts b/packages/typespec-client-generator-core/test/types/multipart-types.test.ts
index a224bd05e..8211de495 100644
--- a/packages/typespec-client-generator-core/test/types/multipart-types.test.ts
+++ b/packages/typespec-client-generator-core/test/types/multipart-types.test.ts
@@ -44,7 +44,7 @@ describe("typespec-client-generator-core: multipart types", () => {
     ok(profileImage.multipartOptions);
     strictEqual(profileImage.multipartOptions.isFilePart, true);
   });
-  
+
   it("multipart conflicting model usage", async function () {
     await runner.compile(
       `
@@ -80,14 +80,14 @@ describe("typespec-client-generator-core: multipart types", () => {
         @post
         @route("/basic2") 
         op basic2(@header contentType: "multipart/form-data", @body body: MultiPartRequest): NoContentResponse;
-      `
+      `,
     );
     deepEqual(runner.context.diagnostics.length, 0);
     const address = runner.context.sdkPackage.models.find((x) => x.name === "Address");
     ok(address);
     deepEqual(address.usage, UsageFlags.Input);
     const multiPartRequest = runner.context.sdkPackage.models.find(
-      (x) => x.name === "MultiPartRequest"
+      (x) => x.name === "MultiPartRequest",
     );
     ok(multiPartRequest);
     deepEqual(multiPartRequest.usage, UsageFlags.MultipartFormData | UsageFlags.Input);
@@ -113,14 +113,14 @@ describe("typespec-client-generator-core: multipart types", () => {
         @post
         @route("/basic2") 
         op basic2(@header contentType: "multipart/form-data", @body body: MultiPartRequest): NoContentResponse;
-      `
+      `,
     );
     deepEqual(runner.context.diagnostics.length, 0);
     const address = runner.context.sdkPackage.models.find((x) => x.name === "Address");
     ok(address);
     deepEqual(address.usage, UsageFlags.Input | UsageFlags.Json);
     const multiPartRequest = runner.context.sdkPackage.models.find(
-      (x) => x.name === "MultiPartRequest"
+      (x) => x.name === "MultiPartRequest",
     );
     ok(multiPartRequest);
     deepEqual(multiPartRequest.usage, UsageFlags.MultipartFormData | UsageFlags.Input);