diff --git a/small3dlib.h b/small3dlib.h
index 663ce2a..35e689e 100644
--- a/small3dlib.h
+++ b/small3dlib.h
@@ -268,7 +268,7 @@ typedef uint16_t S3L_Index;
   speed (it is a shift value), but it mustn't be too high to prevent
   overflow. */
 
-  #define S3L_FAST_LERP_QUALITY 8 
+  #define S3L_FAST_LERP_QUALITY 11 
 #endif
 
 /** Vector that consists of four scalars and can represent homogenous
diff --git a/todo.txt b/todo.txt
index 4b5b889..0951d7c 100644
--- a/todo.txt
+++ b/todo.txt
@@ -72,9 +72,6 @@ features:
 
 bugs:
 
-- Long triangle interpolation overflows -- e.g. in the city demo, can be seen
-  a lot at the blue skyscraper.
-
 repeated:
 
 - valgrind (and similar) checks