diff --git a/adb/client/file_sync_client.cpp b/adb/client/file_sync_client.cpp
index 8bbe2a8..2e8b975 100644
--- a/adb/client/file_sync_client.cpp
+++ b/adb/client/file_sync_client.cpp
@@ -1053,7 +1053,7 @@
         if (!sc.SendSmallFile(rpath, mode, lpath, rpath, mtime, buf, data_length, dry_run)) {
             return false;
         }
-        return sc.ReadAcknowledgements();
+        return sc.ReadAcknowledgements(sync);
 #endif
     }
 
@@ -1077,7 +1077,7 @@
             return false;
         }
     }
-    return sc.ReadAcknowledgements();
+    return sc.ReadAcknowledgements(sync);
 }
 
 static bool sync_recv_v1(SyncConnection& sc, const char* rpath, const char* lpath, const char* name,
diff --git a/adb/test_device.py b/adb/test_device.py
index c1caafc..a92d4a7 100755
--- a/adb/test_device.py
+++ b/adb/test_device.py
@@ -1271,6 +1271,31 @@
                 if temp_dir is not None:
                     shutil.rmtree(temp_dir)
 
+        def test_push_sync_multiple(self):
+            """Sync multiple host directories to a specific path."""
+
+            try:
+                temp_dir = tempfile.mkdtemp()
+                temp_files = make_random_host_files(in_dir=temp_dir, num_files=32)
+
+                device_dir = posixpath.join(self.DEVICE_TEMP_DIR, 'sync_src_dst')
+
+                # Clean up any stale files on the device.
+                device = adb.get_device()  # pylint: disable=no-member
+                device.shell(['rm', '-rf', device_dir])
+                device.shell(['mkdir', '-p', device_dir])
+
+                host_paths = [os.path.join(temp_dir, x.base_name) for x in temp_files]
+                device.push(host_paths, device_dir, sync=True)
+
+                self.verify_sync(device, temp_files, device_dir)
+
+                self.device.shell(['rm', '-rf', self.DEVICE_TEMP_DIR])
+            finally:
+                if temp_dir is not None:
+                    shutil.rmtree(temp_dir)
+
+
         def test_push_dry_run_nonexistent_file(self):
             """Push with dry run."""