diff --git a/src/Core/Universe.m b/src/Core/Universe.m
index d5b5d4522..2391285a0 100644
--- a/src/Core/Universe.m
+++ b/src/Core/Universe.m
@@ -308,6 +308,15 @@ - (void) setCurrentPostFX: (int) newCurrentPostFX
 	_currentPostFX = newCurrentPostFX;
 }
 
+
+- (void) terminatePostFX:(int)postFX
+{
+	if ([self currentPostFX] == postFX)
+	{
+		[self setCurrentPostFX:[self colorblindMode]];
+	}
+}
+
 - (int) nextColorblindMode:(int) index
 {
 	if (++index > OO_POSTFX_COLORBLINDNESS_TRITAN)