Index: /issm/trunk-jpl/etc/environment.sh
===================================================================
--- /issm/trunk-jpl/etc/environment.sh	(revision 13846)
+++ /issm/trunk-jpl/etc/environment.sh	(revision 13847)
@@ -3,5 +3,5 @@
 pathprepend(){ #{{{
 	if [ -d "$1" ] && [[ ":$PATH:" != *":$1:"* ]]; then
-		PATH="$1:$PATH"
+		export PATH="$1:$PATH"
 	fi
 } #}}}
@@ -102,5 +102,5 @@
 
 GDAL_DIR="$ISSM_DIR/externalpackages/gdal/install"
-pathprepend "$GDAL_DIR/bin:$PATH"
+pathprepend "$GDAL_DIR/bin"
 libpathappend "$GDAL_DIR/lib"