diff --git a/code/sdl/sdl_input.c b/code/sdl/sdl_input.c
index 9514636d..6af67518 100644
--- a/code/sdl/sdl_input.c
+++ b/code/sdl/sdl_input.c
@@ -360,10 +360,13 @@ static void IN_ActivateMouse( void )
 	{
 		if( in_nograb->modified || !mouseActive )
 		{
-			if( in_nograb->integer )
+			if( in_nograb->integer ) {
+				SDL_SetRelativeMouseMode( SDL_FALSE );
 				SDL_SetWindowGrab( SDL_window, SDL_FALSE );
-			else
+			} else {
+				SDL_SetRelativeMouseMode( SDL_TRUE );
 				SDL_SetWindowGrab( SDL_window, SDL_TRUE );
+			}
 
 			in_nograb->modified = qfalse;
 		}