diff --git a/src/mb/pvAccessMB.cpp b/src/mb/pvAccessMB.cpp
index 3b9bf55..cb4286d 100644
--- a/src/mb/pvAccessMB.cpp
+++ b/src/mb/pvAccessMB.cpp
@@ -4,7 +4,9 @@
  * in file LICENSE that is included with this distribution.
  */
 
+#ifdef WITH_MICROBENCH
 #include <pv/mb.h>
+#endif
 
 #define epicsExportSharedSymbols