Fix screen corruption after shaking.

svn-id: r4083

1 files changed, 3 insertions, 0 deletions

diff --git a/gfx.cpp b/gfx.cpp
index 0a251a5c2f..9df61625a8 100644
--- a/gfx.cpp
+++ b/gfx.cpp
@@ -1825,6 +1825,9 @@ void Scumm::unkScreenEffect5(int a)
 
 void Scumm::setShake(int mode)
 {
+	if (_shakeEnabled != (mode != 0))
+		_fullRedraw = true;
+
 	_shakeEnabled = mode != 0;
 	_shakeFrame = 0;
 	_system->set_shake_pos(0);