diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -176,8 +176,8 @@
     void shutdown();
 
 Q_SIGNALS:
-    void initializeResult(int retval);
-    void shutdownResult(int retval);
+    void initializeResult(bool success);
+    void shutdownResult();
     void runawayException(const QString &message);
 
 private:
@@ -222,8 +222,8 @@
     WId getMainWinId() const;
 
 public Q_SLOTS:
-    void initializeResult(int retval);
-    void shutdownResult(int retval);
+    void initializeResult(bool success);
+    void shutdownResult();
     /// Handle runaway exceptions. Shows a message box with the problem and
     /// quits the program.
     void handleRunawayException(const QString &message);
@@ -284,8 +284,8 @@
             return;
         }
 
-        int rv = AppInitMain(config, *httpRPCRequestProcessor, threadGroup,
-                             scheduler);
+        bool rv = AppInitMain(config, *httpRPCRequestProcessor, threadGroup,
+                              scheduler);
         Q_EMIT initializeResult(rv);
     } catch (const std::exception &e) {
         handleRunawayException(&e);
@@ -301,7 +301,7 @@
         threadGroup.join_all();
         Shutdown();
         qDebug() << __func__ << ": Shutdown finished";
-        Q_EMIT shutdownResult(1);
+        Q_EMIT shutdownResult();
     } catch (const std::exception &e) {
         handleRunawayException(&e);
     } catch (...) {
@@ -388,10 +388,9 @@
     executor->moveToThread(coreThread);
 
     /*  communication to and from thread */
-    connect(executor, SIGNAL(initializeResult(int)), this,
-            SLOT(initializeResult(int)));
-    connect(executor, SIGNAL(shutdownResult(int)), this,
-            SLOT(shutdownResult(int)));
+    connect(executor, SIGNAL(initializeResult(bool)), this,
+            SLOT(initializeResult(bool)));
+    connect(executor, SIGNAL(shutdownResult()), this, SLOT(shutdownResult()));
     connect(executor, SIGNAL(runawayException(QString)), this,
             SLOT(handleRunawayException(QString)));
 
@@ -463,11 +462,10 @@
     Q_EMIT requestedShutdown();
 }
 
-void BitcoinApplication::initializeResult(int retval) {
-    qDebug() << __func__ << ": Initialization result: " << retval;
-    // Set exit result: 0 if successful, 1 if failure
-    returnValue = retval ? 0 : 1;
-    if (retval) {
+void BitcoinApplication::initializeResult(bool success) {
+    qDebug() << __func__ << ": Initialization result: " << success;
+    returnValue = success ? EXIT_SUCCESS : EXIT_FAILURE;
+    if (success) {
         // Log this only after AppInit2 finishes, as then logging setup is
         // guaranteed complete.
         qWarning() << "Platform customization:" << platformStyle->getName();
@@ -522,8 +520,7 @@
     }
 }
 
-void BitcoinApplication::shutdownResult(int retval) {
-    qDebug() << __func__ << ": Shutdown result: " << retval;
+void BitcoinApplication::shutdownResult() {
     // Exit main loop after shutdown finished.
     quit();
 }