diff --git a/scad/common b/scad/common
index 68cc584..6c46d78 160000
--- a/scad/common
+++ b/scad/common
@@ -1 +1 @@
-Subproject commit 68cc58418d106fa455019e7bc771fe48fd586bc1
+Subproject commit 6c46d780e0b1077d3a3cae3e6988b8485e98109c