diff --git a/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp b/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp
index e74e807898..b3aab5b486 100644
--- a/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp
+++ b/Source/Core/Core/HW/WiimoteEmu/WiimoteEmu.cpp
@@ -694,7 +694,7 @@ void Wiimote::LoadDefaults(const ControllerInterface& ciface)
   m_buttons->SetControlExpression(0, "`Click 1`");
   // B
   m_buttons->SetControlExpression(1, "`Click 3`");
-#elif __APPLE__
+#elif defined(__APPLE__)
   // A
   m_buttons->SetControlExpression(0, "`Left Click`");
   // B