diff --git a/src/qt/bitcoin.cpp b/src/qt/bitcoin.cpp
index 1fa5ef5f5..6e6330d2a 100644
--- a/src/qt/bitcoin.cpp
+++ b/src/qt/bitcoin.cpp
@@ -311,14 +311,8 @@ BitcoinApplication::BitcoinApplication(int &argc, char **argv):
     // UI per-platform customization
     // This must be done inside the BitcoinApplication constructor, or after it, because
     // PlatformStyle::instantiate requires a QApplication
-#if defined(Q_OS_MAC)
-    std::string platformName = "macosx";
-#elif defined(Q_OS_WIN)
-    std::string platformName = "windows";
-#else
-    std::string platformName = "other";
-#endif
-    platformName = GetArg("-uiplatform", platformName);
+    std::string platformName;
+    platformName = GetArg("-uiplatform", BitcoinGUI::DEFAULT_UIPLATFORM);
     platformStyle = PlatformStyle::instantiate(QString::fromStdString(platformName));
     if (!platformStyle) // Fall back to "other" if specified name not found
         platformStyle = PlatformStyle::instantiate("other");
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
index 6f9f6e90d..853a29e66 100644
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -59,6 +59,16 @@
 #include <QUrlQuery>
 #endif
 
+const std::string BitcoinGUI::DEFAULT_UIPLATFORM =
+#if defined(Q_OS_MAC)
+        "macosx"
+#elif defined(Q_OS_WIN)
+        "windows"
+#else
+        "other"
+#endif
+        ;
+
 const QString BitcoinGUI::DEFAULT_WALLET = "~Default";
 
 BitcoinGUI::BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *networkStyle, QWidget *parent) :
diff --git a/src/qt/bitcoingui.h b/src/qt/bitcoingui.h
index 2b98dabc5..945adcd45 100644
--- a/src/qt/bitcoingui.h
+++ b/src/qt/bitcoingui.h
@@ -48,6 +48,7 @@ class BitcoinGUI : public QMainWindow
 
 public:
     static const QString DEFAULT_WALLET;
+    static const std::string DEFAULT_UIPLATFORM;
 
     explicit BitcoinGUI(const PlatformStyle *platformStyle, const NetworkStyle *networkStyle, QWidget *parent = 0);
     ~BitcoinGUI();
diff --git a/src/qt/utilitydialog.cpp b/src/qt/utilitydialog.cpp
index da85ab2b3..f60928974 100644
--- a/src/qt/utilitydialog.cpp
+++ b/src/qt/utilitydialog.cpp
@@ -86,7 +86,7 @@ HelpMessageDialog::HelpMessageDialog(QWidget *parent, bool about) :
         strUsage += HelpMessageOpt("-splash", strprintf(_("Show splash screen on startup (default: %u)"), DEFAULT_SPLASHSCREEN));
         strUsage += HelpMessageOpt("-resetguisettings", _("Reset all settings changes made over the GUI"));
         if (showDebug) {
-            strUsage += HelpMessageOpt("-uiplatform", "Select platform to customize UI for (one of windows, macosx, other; default: platform compiled on)");
+            strUsage += HelpMessageOpt("-uiplatform", strprintf("Select platform to customize UI for (one of windows, macosx, other; default: %s)", BitcoinGUI::DEFAULT_UIPLATFORM));
         }
         QString coreOptions = QString::fromStdString(strUsage);
         text = version + "\n" + header + "\n" + coreOptions;