diff --git a/fltk b/fltk
index b4cf1a9..3f91c8b 160000
--- a/fltk
+++ b/fltk
@@ -1 +1 @@
-Subproject commit b4cf1a9824f2c4ba9596044962d3af36e3ca3d99
+Subproject commit 3f91c8b5eeeb565beb79c43232c5aade9af6b79a