Index: /issm/trunk-jpl/etc/environment.sh
===================================================================
--- /issm/trunk-jpl/etc/environment.sh	(revision 12950)
+++ /issm/trunk-jpl/etc/environment.sh	(revision 12951)
@@ -27,4 +27,5 @@
 MPI_DIR="$ISSM_DIR/externalpackages/mpich2/install"
 if [ -d "$MPI_DIR" ]; then
+	export MPI_DIR
 	export PATH="$MPI_DIR/bin:$PATH"
 	export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$MPI_DIR/lib"