diff --git a/contract-tests/src/sdkClientEntity.ts b/contract-tests/src/sdkClientEntity.ts
index 01c4d2689..cbe11bf3f 100644
--- a/contract-tests/src/sdkClientEntity.ts
+++ b/contract-tests/src/sdkClientEntity.ts
@@ -328,9 +328,22 @@ export async function newSdkClientEntity(options: any): Promise<SdkClientEntity>
     options.configuration.startWaitTimeMs !== undefined
       ? options.configuration.startWaitTimeMs
       : 5000;
+
+
+  // TODO: synchronizer should be a list, but for this is a temporary workaround
+  // so that we can pass the contract tests in a more reasonable manner.
+  // SDK-1798
+  const adaptedConfigs = {
+    ...options.configuration,
+  };
+
+  adaptedConfigs.dataSystem.synchronizers = {
+    primary: options.configuration.dataSystem.synchronizers?.[0],
+    secondary: options.configuration.dataSystem.synchronizers?.[1],
+  }
   const client: LDClient = ld.init(
     options.configuration.credential || 'unknown-sdk-key',
-    makeSdkConfig(options.configuration, options.tag),
+    makeSdkConfig(adaptedConfigs, options.tag),
   );
   try {
     await client.waitForInitialization({ timeout });