diff --git a/regression_test/XML/XmlWorkflow/Makefile b/regression_test/XML/XmlWorkflow/Makefile
index b26d90c8d78062efa2dc70e9a6743e5bcccb3141..cd3c4efb1b3715fccb980066f8d159d1d26708c2 100644
--- a/regression_test/XML/XmlWorkflow/Makefile
+++ b/regression_test/XML/XmlWorkflow/Makefile
@@ -38,7 +38,7 @@ all1: bin/Makefile
 	$(MAKE) -C bin all
 
 run1: bin/Makefile
-	export LD_LIBRARY_PATH $LD_LIBRARY_PATH_ORIG:$(TOPDIR)/XML/XmlWorkflow/bin/; \
+	export LD_LIBRARY_PATH $$LD_LIBRARY_PATH_ORIG:$(TOPDIR)/XML/XmlWorkflow/bin/; \
 	$(MAKE) -C bin run
 
 clean1: