diff --git a/tests/Makefile.am b/tests/Makefile.am
index 8dc681d..4329a00 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,36 +1,36 @@
 # Makefile.am - Makefile for NPTH tests.
 # Copyright (C) 2011 g10 Code GmbH
 #
 # This file is part of nPth.
 #
 # nPth is free software; you can redistribute it and/or modify it
 # under the terms of the GNU Lesser General Public License as
 # published by the Free Software Foundation; either version 2.1 of the
 # License, or (at your option) any later version.
 #
 # nPth is distributed in the hope that it will be useful, but WITHOUT
 # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 # or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General
 # Public License for more details.
 #
 # You should have received a copy of the GNU Lesser General Public
 # License along with this program; if not, see <http://www.gnu.org/licenses/>.
 
 ## Process this file with automake to produce Makefile.in
 
 TESTS = t-mutex t-thread
 
 if HAVE_W32_SYSTEM
 AM_CPPFLAGS = -I$(top_srcdir)/w32
-AM_LDFLAGS =
 LDADD = ../w32/libnpth.la $(LIB_CLOCK_GETTIME)
 else
 AM_CPPFLAGS = -I../src
-AM_LDFLAGS =
 LDADD = ../src/libnpth.la $(LIBSOCKET) $(LIB_CLOCK_GETTIME)
 TESTS += t-fork
 endif
 
+AM_LDFLAGS = -no-install
+
 noinst_HEADERS = t-support.h
 
 noinst_PROGRAMS = $(TESTS)