diff --git a/src/video/android/SDL_androidkeyboard.c b/src/video/android/SDL_androidkeyboard.c
index db9cf2d85..88b904acf 100644
--- a/src/video/android/SDL_androidkeyboard.c
+++ b/src/video/android/SDL_androidkeyboard.c
@@ -30,7 +30,7 @@
 
 #include "../../core/android/SDL_android.h"
 
-void Android_InitKeyboard()
+void Android_InitKeyboard(void)
 {
     SDL_Keycode keymap[SDL_NUM_SCANCODES];
 
diff --git a/src/video/android/SDL_androidkeyboard.h b/src/video/android/SDL_androidkeyboard.h
index dc670e858..da8da9b75 100644
--- a/src/video/android/SDL_androidkeyboard.h
+++ b/src/video/android/SDL_androidkeyboard.h
@@ -22,7 +22,7 @@
 
 #include "SDL_androidvideo.h"
 
-extern void Android_InitKeyboard();
+extern void Android_InitKeyboard(void);
 extern int Android_OnKeyDown(int keycode);
 extern int Android_OnKeyUp(int keycode);