diff --git a/doc/FAQ b/doc/FAQ
index 90c49b6dcb17120ca79e8f4102f6ffb84978106a..96dbac1a012c2d1c98e5411e8f067322fd12cee5 100644
--- a/doc/FAQ
+++ b/doc/FAQ
@@ -1,4 +1,4 @@
-$Id: FAQ,v 1.76 2006-11-27 19:32:23 geuzaine Exp $
+$Id: FAQ,v 1.77 2006-12-01 15:07:12 geuzaine Exp $
 
 This is the Gmsh FAQ
 
@@ -162,6 +162,14 @@ click on 'Show' (this will show the element 13245). To show other
 element, you would just enter another number in the input field, click
 on 'Show', etc.
 
+4.4 When compiled with OpenCascade support, Gmsh crashes at startup
+
+Try setting these environment variables, which govern how OpenCascade
+allocates memory:
+
+export MMGT_OPT=0
+export MMGT_MMAP=0
+
 ********************************************************************
 
 Section 5: Mesh module