diff --git a/include/SDL_keyboard.h b/include/SDL_keyboard.h
index 9b44df322..ece05b9bf 100644
--- a/include/SDL_keyboard.h
+++ b/include/SDL_keyboard.h
@@ -66,13 +66,13 @@ extern DECLSPEC SDL_Window * SDLCALL SDL_GetKeyboardFocus(void);
  *
  *  \b Example:
  *  \code
- *  Uint8 *state = SDL_GetKeyboardState(NULL);
+ *  const Uint8 *state = SDL_GetKeyboardState(NULL);
  *  if ( state[SDL_SCANCODE_RETURN] )   {
  *      printf("<RETURN> is pressed.\n");
  *  }
  *  \endcode
  */
-extern DECLSPEC Uint8 *SDLCALL SDL_GetKeyboardState(int *numkeys);
+extern DECLSPEC const Uint8 *SDLCALL SDL_GetKeyboardState(int *numkeys);
 
 /**
  *  \brief Get the current key modifier state for the keyboard.
diff --git a/src/events/SDL_keyboard.c b/src/events/SDL_keyboard.c
index 680091f42..468c3d109 100644
--- a/src/events/SDL_keyboard.c
+++ b/src/events/SDL_keyboard.c
@@ -829,7 +829,7 @@ SDL_KeyboardQuit(void)
 {
 }
 
-Uint8 *
+const Uint8 *
 SDL_GetKeyboardState(int *numkeys)
 {
     SDL_Keyboard *keyboard = &SDL_keyboard;