diff --git a/ion/src/simulator/shared/events_keyboard.cpp b/ion/src/simulator/shared/events_keyboard.cpp
index 02bd8b4a1..2a581a574 100644
--- a/ion/src/simulator/shared/events_keyboard.cpp
+++ b/ion/src/simulator/shared/events_keyboard.cpp
@@ -204,6 +204,11 @@ Event getPlatformEvent() {
       return Termination;
     }
     if (event.type == SDL_KEYDOWN) {
+#if EPSILON_SDL_SCREEN_ONLY
+      if (IonSimulatorSDLKeyDetectedByScan(event.key.keysym.scancode)) {
+        continue;
+      }
+#endif
       return eventFromSDLKeyboardEvent(event.key);
     }
     if (event.type == SDL_TEXTINPUT) {
diff --git a/ion/src/simulator/shared/keyboard_sdl.cpp b/ion/src/simulator/shared/keyboard_sdl.cpp
index 4d3b1a928..589d21a49 100644
--- a/ion/src/simulator/shared/keyboard_sdl.cpp
+++ b/ion/src/simulator/shared/keyboard_sdl.cpp
@@ -17,41 +17,54 @@ void IonSimulatorKeyboardKeyUp(int keyNumber) {
   Ion::Keyboard::Key key = static_cast<Ion::Keyboard::Key>(keyNumber);
   sKeyboardState.clearKey(key);
 }
-#endif
 
 namespace Ion {
 namespace Keyboard {
 
-#if EPSILON_SDL_SCREEN_ONLY
-  class KeySDLKeyPair {
-  public:
-    constexpr KeySDLKeyPair(Ion::Keyboard::Key key, SDL_Scancode SDLKey) :
-      m_key(key),
-      m_SDLKey(SDLKey)
-    {}
-    Ion::Keyboard::Key key() const { return m_key; }
-    SDL_Scancode SDLKey() const { return m_SDLKey; }
-  private:
-    Ion::Keyboard::Key m_key;
-    SDL_Scancode m_SDLKey;
-  };
+class KeySDLKeyPair {
+public:
+  constexpr KeySDLKeyPair(Ion::Keyboard::Key key, SDL_Scancode SDLKey) :
+    m_key(key),
+    m_SDLKey(SDLKey)
+  {}
+  Ion::Keyboard::Key key() const { return m_key; }
+  SDL_Scancode SDLKey() const { return m_SDLKey; }
+private:
+  Ion::Keyboard::Key m_key;
+  SDL_Scancode m_SDLKey;
+};
 
-  constexpr static KeySDLKeyPair sKeyPairs[] = {
-    KeySDLKeyPair(Ion::Keyboard::Key::Down,      SDL_SCANCODE_DOWN),
-    KeySDLKeyPair(Ion::Keyboard::Key::Up,        SDL_SCANCODE_UP),
-    KeySDLKeyPair(Ion::Keyboard::Key::Left,      SDL_SCANCODE_LEFT),
-    KeySDLKeyPair(Ion::Keyboard::Key::Right,     SDL_SCANCODE_RIGHT),
-    KeySDLKeyPair(Ion::Keyboard::Key::Shift,     SDL_SCANCODE_LSHIFT),
-    KeySDLKeyPair(Ion::Keyboard::Key::Shift,     SDL_SCANCODE_RSHIFT),
-    KeySDLKeyPair(Ion::Keyboard::Key::EXE,       SDL_SCANCODE_RETURN),
-    KeySDLKeyPair(Ion::Keyboard::Key::Back,      SDL_SCANCODE_ESCAPE),
-    KeySDLKeyPair(Ion::Keyboard::Key::Toolbox,   SDL_SCANCODE_TAB),
-    KeySDLKeyPair(Ion::Keyboard::Key::Backspace, SDL_SCANCODE_BACKSPACE)
-  };
+constexpr static KeySDLKeyPair sKeyPairs[] = {
+  KeySDLKeyPair(Ion::Keyboard::Key::Down,      SDL_SCANCODE_DOWN),
+  KeySDLKeyPair(Ion::Keyboard::Key::Up,        SDL_SCANCODE_UP),
+  KeySDLKeyPair(Ion::Keyboard::Key::Left,      SDL_SCANCODE_LEFT),
+  KeySDLKeyPair(Ion::Keyboard::Key::Right,     SDL_SCANCODE_RIGHT),
+  KeySDLKeyPair(Ion::Keyboard::Key::Shift,     SDL_SCANCODE_LSHIFT),
+  KeySDLKeyPair(Ion::Keyboard::Key::Shift,     SDL_SCANCODE_RSHIFT),
+  KeySDLKeyPair(Ion::Keyboard::Key::EXE,       SDL_SCANCODE_RETURN),
+  KeySDLKeyPair(Ion::Keyboard::Key::Back,      SDL_SCANCODE_ESCAPE),
+  KeySDLKeyPair(Ion::Keyboard::Key::Toolbox,   SDL_SCANCODE_TAB),
+  KeySDLKeyPair(Ion::Keyboard::Key::Backspace, SDL_SCANCODE_BACKSPACE)
+};
 
-  constexpr int sNumberOfKeyPairs = sizeof(sKeyPairs)/sizeof(KeySDLKeyPair);
+constexpr int sNumberOfKeyPairs = sizeof(sKeyPairs)/sizeof(KeySDLKeyPair);
+
+}
+}
+
+bool IonSimulatorSDLKeyDetectedByScan(SDL_Scancode key) {
+  for (int i = 0; i < Ion::Keyboard::sNumberOfKeyPairs; i++) {
+    if (key == Ion::Keyboard::sKeyPairs[i].SDLKey()) {
+      return true;
+    }
+  }
+  return false;
+}
 #endif
 
+namespace Ion {
+namespace Keyboard {
+
 State scan() {
   // We need to tell SDL to get new state from the host OS
   SDL_PumpEvents();
diff --git a/ion/src/simulator/shared/platform.h b/ion/src/simulator/shared/platform.h
index 0dcb4e74c..c6e27bbee 100644
--- a/ion/src/simulator/shared/platform.h
+++ b/ion/src/simulator/shared/platform.h
@@ -20,6 +20,8 @@ void IonSimulatorKeyboardKeyUp(int keyNumber);
 
 void IonSimulatorEventsPushEvent(int eventNumber);
 
+bool IonSimulatorSDLKeyDetectedByScan(SDL_Scancode key);
+
 #endif
 
 void IonSimulatorCallbackDidRefresh();