diff --git a/src/pv/valueBuilder.cpp b/src/pv/valueBuilder.cpp
index 9efd87f..6ecbb4c 100644
--- a/src/pv/valueBuilder.cpp
+++ b/src/pv/valueBuilder.cpp
@@ -5,9 +5,9 @@
 
 #include <memory>
 
+#define epicsExportSharedSymbols
 #include <pv/pvData.h>
-
-#include "valueBuilder.h"
+#include <pv/valueBuilder.h>
 
 namespace epics{namespace pvData{
 
diff --git a/src/pv/valueBuilder.h b/src/pv/valueBuilder.h
index 22a98da..5edabc8 100644
--- a/src/pv/valueBuilder.h
+++ b/src/pv/valueBuilder.h
@@ -27,7 +27,7 @@ class PVStructure;
                                    .buildPVStructure());
  @endcode
  */
-class ValueBuilder
+class epicsShareClass ValueBuilder
 {
 public:
     //! empty structure