diff --git a/src/engine/gw-kvp-spec.scm b/src/engine/gw-kvp-spec.scm
index 25e79bf4cd..443e786fbe 100644
--- a/src/engine/gw-kvp-spec.scm
+++ b/src/engine/gw-kvp-spec.scm
@@ -26,6 +26,7 @@
    ws
    (lambda (wrapset client-wrapset)
      (list
+      "#include <config.h>\n"
       "#include <qof.h>\n"
       "#include <kvp-scm.h>\n"
       "#include <Transaction.h>\n")))