diff --git a/server/tests/Makefile.am b/server/tests/Makefile.am
index 233393e9..3a52d5cc 100644
--- a/server/tests/Makefile.am
+++ b/server/tests/Makefile.am
@@ -4,6 +4,7 @@ AM_CPPFLAGS =					\
 	-I$(top_srcdir)				\
 	-I$(top_srcdir)/common			\
 	-I$(top_srcdir)/server			\
+	-I$(top_builddir)/server		\
 	-I$(top_srcdir)/server/tests		\
 	$(COMMON_CFLAGS)			\
 	$(GLIB2_CFLAGS)				\