diff --git a/build-scripts/fnsince.pl b/build-scripts/fnsince.pl
index 594b594cc..6c69c5473 100755
--- a/build-scripts/fnsince.pl
+++ b/build-scripts/fnsince.pl
@@ -88,6 +88,7 @@ $funcs{'SDL_Direct3D9GetAdapterIndex'} = '2.0.1';
 $funcs{'SDL_RenderGetD3D9Device'} = '2.0.1';
 
 $funcs{'SDL_RegisterApp'} = '2.0.2';
+$funcs{'SDL_UnregisterApp'} = '2.0.2';
 $funcs{'SDL_GetAssertionHandler'} = '2.0.2';
 $funcs{'SDL_GetDefaultAssertionHandler'} = '2.0.2';
 $funcs{'SDL_AtomicAdd'} = '2.0.2';