diff --git a/src/bin/scripts/common.c b/src/bin/scripts/common.c
index a661556ba9..c32ab9f936 100644
--- a/src/bin/scripts/common.c
+++ b/src/bin/scripts/common.c
@@ -311,7 +311,7 @@ appendQualifiedRelation(PQExpBuffer buf, const char *spec,
 	/* Before 7.3, the concept of qualifying a name did not exist. */
 	if (PQserverVersion(conn) < 70300)
 	{
-		appendPQExpBufferStr(&sql, spec);
+		appendPQExpBufferStr(buf, spec);
 		return;
 	}
 
