diff --git a/plugins/onepad/keyboard.cpp b/plugins/onepad/keyboard.cpp
index 81c962b969..028b721db7 100644
--- a/plugins/onepad/keyboard.cpp
+++ b/plugins/onepad/keyboard.cpp
@@ -99,7 +99,7 @@ bool PollForNewKeyboardKeys(u32 &pkey) {
     // keys that aren't being recognized, bump this number up!
     for (int key = 0; key < 0x80; key++) {
         if (CGEventSourceKeyState(kCGEventSourceStateHIDSystemState, key)) {
-            pkey = key == kVK_Escape ? 0 : key;
+            pkey = key == kVK_Escape ? UINT32_MAX : key;
             return true;
         }
     }
@@ -282,7 +282,7 @@ bool PollForNewKeyboardKeys(u32 &pkey)
 
     if (ev != NULL) {
         if (ev->type == GDK_KEY_PRESS) {
-            pkey = ev->key.keyval != GDK_KEY_Escape ? ev->key.keyval : 0;
+            pkey = ev->key.keyval != GDK_KEY_Escape ? ev->key.keyval : UINT32_MAX;
             return true;
         } else if (ev->type == GDK_BUTTON_PRESS) {
             pkey = ev->button.button;
diff --git a/plugins/onepad/wx_dialog/dialog.cpp b/plugins/onepad/wx_dialog/dialog.cpp
index fa8cd93366..472df66601 100644
--- a/plugins/onepad/wx_dialog/dialog.cpp
+++ b/plugins/onepad/wx_dialog/dialog.cpp
@@ -577,8 +577,8 @@ void Dialog::config_key(int pad, int key)
     while (!captured) {
         if (PollForNewKeyboardKeys(key_pressed)) {
             // special case for keyboard/mouse to handle multiple keys
-            // Note: key_pressed == 0 when ESC is hit to abort the capture
-            if (key_pressed > 0) {
+            // Note: key_pressed == UINT32_MAX when ESC is hit to abort the capture
+            if (key_pressed != UINT32_MAX) {
                 clear_key(pad, key);
                 set_keyboard_key(pad, key_pressed, key);
                 m_simulatedKeys[pad][key] = key_pressed;