Index: /issm/trunk-jpl/jenkins/jenkins.sh
===================================================================
--- /issm/trunk-jpl/jenkins/jenkins.sh	(revision 26094)
+++ /issm/trunk-jpl/jenkins/jenkins.sh	(revision 26095)
@@ -316,5 +316,5 @@
 	if [[ $(uname -s) == MINGW* ]]; then
 		MINGW=1
-		if [ -z "${ISSM_DIR_WIN}+x" ]; then
+		if [ -z "${ISSM_DIR_WIN+x}" ]; then
 			export ISSM_DIR_WIN=$(cygpath -w "${ISSM_DIR}")
 		fi