diff --git a/src/wallet/MoneroWallet.cpp b/src/wallet/MoneroWallet.cpp
index 6aa6009..d90727c 100644
--- a/src/wallet/MoneroWallet.cpp
+++ b/src/wallet/MoneroWallet.cpp
@@ -1599,6 +1599,11 @@ namespace monero {
     return wallet2->import_outputs_from_str(blob);
   }
 
+  void MoneroWallet::startMining(uint64_t numThreads, boost::optional<bool> backgroundMining, boost::optional<bool> ignoreBattery) {
+    cout << "startMining" << endl;
+    throw runtime_error("Not implemented");
+  }
+
   void MoneroWallet::save() {
     cout << "save()" << endl;
     wallet2->store();
diff --git a/src/wallet/MoneroWallet.h b/src/wallet/MoneroWallet.h
index 0eca0f8..46a3ccc 100644
--- a/src/wallet/MoneroWallet.h
+++ b/src/wallet/MoneroWallet.h
@@ -1029,16 +1029,16 @@ namespace monero {
 //     * @return the attribute's value
 //     */
 //    public string getAttribute(string key);
-//
-//    /**
-//     * Start mining.
-//     *
-//     * @param numThreads is the number of threads created for mining (optional)
-//     * @param backgroundMining specifies if mining should occur in the background (optional)
-//     * @param ignoreBattery specifies if the battery should be ignored for mining (optional)
-//     */
-//    public void startMining(Integer numThreads, Boolean backgroundMining, Boolean ignoreBattery);
-//
+
+    /**
+     * Start mining.
+     *
+     * @param numThreads is the number of threads created for mining (optional)
+     * @param backgroundMining specifies if mining should occur in the background (optional)
+     * @param ignoreBattery specifies if the battery should be ignored for mining (optional)
+     */
+    void startMining(uint64_t numThreads, boost::optional<bool> backgroundMining, boost::optional<bool> ignoreBattery);
+
 //    /**
 //     * Stop mining.
 //     */