Index: /issm/trunk-jpl/etc/environment.csh
===================================================================
--- /issm/trunk-jpl/etc/environment.csh	(revision 25851)
+++ /issm/trunk-jpl/etc/environment.csh	(revision 25852)
@@ -4,5 +4,5 @@
 setenv PATH {$PATH}:{$ISSM_DIR}/scripts
 
-ISSM_EXT_DIR="{$ISSM_DIR}/externalpackages" # Redefine this constant if externalpackages are installed to a different directory
+set ISSM_EXT_DIR="{$ISSM_DIR}/externalpackages" # Redefine this constant if externalpackages are installed to a different directory
 
 #MPI