diff --git a/dbcon/execplan/treenode.h b/dbcon/execplan/treenode.h
index b80ecbc59..1f1166fa3 100644
--- a/dbcon/execplan/treenode.h
+++ b/dbcon/execplan/treenode.h
@@ -39,7 +39,7 @@
 #include "calpontsystemcatalog.h"
 #include "exceptclasses.h"
 #include "dataconvert.h"
-namespace messageqecpp {
+namespace messageqcpp {
 class ByteStream;
 }