diff --git a/src/interfaces/libpq/libpqdll.def b/src/interfaces/libpq/libpqdll.def
index 059707f87ea..b75eb20fa6e 100644
--- a/src/interfaces/libpq/libpqdll.def
+++ b/src/interfaces/libpq/libpqdll.def
@@ -88,3 +88,5 @@ EXPORTS
 	PQsetClientEncoding	@ 85
 	PQsetnonblocking	@ 86
 	PQfreeNotify		@ 87
+	PQescapeString		@ 88
+	PQescapeBytea		@ 89