diff --git a/src/sql/Makefile.am b/src/sql/Makefile.am
index e098646..5711b43 100644
--- a/src/sql/Makefile.am
+++ b/src/sql/Makefile.am
@@ -1,6 +1,6 @@
 AUTOMAKE_OPTIONS = subdir-objects
 BUILT_SOURCES = parser.h
-AM_YFLAGS = -d
+AM_YFLAGS = -d -o parser.c
 lib_LTLIBRARIES	=	libmdbsql.la
 libmdbsql_la_SOURCES=	mdbsql.c parser.y lexer.l 
 if FAKE_GLIB