diff --git a/src/sdl2/event.rs b/src/sdl2/event.rs
index 6c9dfff6..e0cb57ce 100644
--- a/src/sdl2/event.rs
+++ b/src/sdl2/event.rs
@@ -539,7 +539,7 @@ pub enum Event {
     JoyAxisMotion {
         timestamp: u32,
         /// The joystick's `id`
-        which: i32,
+        which: u32,
         axis_idx: u8,
         value: i16
     },
@@ -547,7 +547,7 @@ pub enum Event {
     JoyBallMotion {
         timestamp: u32,
         /// The joystick's `id`
-        which: i32,
+        which: u32,
         ball_idx: u8,
         xrel: i16,
         yrel: i16
@@ -556,7 +556,7 @@ pub enum Event {
     JoyHatMotion {
         timestamp: u32,
         /// The joystick's `id`
-        which: i32,
+        which: u32,
         hat_idx: u8,
         state: HatState
     },
@@ -564,31 +564,31 @@ pub enum Event {
     JoyButtonDown {
         timestamp: u32,
         /// The joystick's `id`
-        which: i32,
+        which: u32,
         button_idx: u8
     },
     JoyButtonUp {
         timestamp: u32,
         /// The joystick's `id`
-        which: i32,
+        which: u32,
         button_idx: u8
     },
 
     JoyDeviceAdded {
         timestamp: u32,
         /// The newly added joystick's `joystick_index`
-        which: i32
+        which: u32
     },
     JoyDeviceRemoved {
         timestamp: u32,
         /// The joystick's `id`
-        which: i32
+        which: u32
     },
 
     ControllerAxisMotion {
         timestamp: u32,
         /// The controller's joystick `id`
-        which: i32,
+        which: u32,
         axis: Axis,
         value: i16
     },
@@ -596,30 +596,30 @@ pub enum Event {
     ControllerButtonDown {
         timestamp: u32,
         /// The controller's joystick `id`
-        which: i32,
+        which: u32,
         button: Button
     },
     ControllerButtonUp {
         timestamp: u32,
         /// The controller's joystick `id`
-        which: i32,
+        which: u32,
         button: Button
     },
 
     ControllerDeviceAdded {
         timestamp: u32,
         /// The newly added controller's `joystick_index`
-        which: i32
+        which: u32
     },
     ControllerDeviceRemoved {
         timestamp: u32,
         /// The controller's joystick `id`
-        which: i32
+        which: u32
     },
     ControllerDeviceRemapped {
         timestamp: u32,
         /// The controller's joystick `id`
-        which: i32
+        which: u32
     },
 
     FingerDown {