diff --git a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmInvoker.java b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmInvoker.java
index 826376659..41a240339 100644
--- a/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmInvoker.java
+++ b/astrid/plugin-src/com/todoroo/astrid/actfm/sync/ActFmInvoker.java
@@ -22,9 +22,12 @@ import org.json.JSONArray;
 import org.json.JSONException;
 import org.json.JSONObject;
 
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
 import android.util.Log;
 
 import com.timsu.astrid.R;
+import com.todoroo.aacenc.ContextManager;
 import com.todoroo.andlib.service.Autowired;
 import com.todoroo.andlib.service.DependencyInjectionService;
 import com.todoroo.andlib.service.RestClient;
@@ -183,6 +186,23 @@ public class ActFmInvoker {
         }
     }
 
+    private String clientVersion = null;
+
+    private String getClientVersion() {
+        if (clientVersion == null) {
+            try {
+                PackageManager pm = ContextManager.getContext().getPackageManager();
+                PackageInfo pi = pm.getPackageInfo(Constants.PACKAGE, PackageManager.GET_META_DATA);
+                int version = pi.versionCode;
+                String versionName = pi.versionName;
+                clientVersion = "android-" + versionName + "-" + version;
+            } catch (Exception e) {
+                //
+            }
+        }
+        return clientVersion;
+    }
+
     public JSONObject postSync(JSONArray data, MultipartEntity entity, String token) throws IOException,
     ActFmServiceException {
         try {
@@ -196,6 +216,10 @@ public class ActFmInvoker {
             entity.addPart("data", new StringBody(data.toString()));
             entity.addPart("time", new StringBody(timeString));
 
+            String version = getClientVersion();
+            if (version != null)
+                entity.addPart("client_version", new StringBody(version));
+
             String response = restClient.post(request, entity);
             JSONObject object = new JSONObject(response);