diff --git a/src/platform/tests/Makefile.am b/src/platform/tests/Makefile.am
index 16a420dd2b..5a18371d38 100644
--- a/src/platform/tests/Makefile.am
+++ b/src/platform/tests/Makefile.am
@@ -5,6 +5,7 @@ AM_CPPFLAGS = \
 	-I${top_srcdir}/src \
 	-I${top_srcdir}/src/logging \
 	-I${top_srcdir}/src/generated \
+	-I${top_builddir}/src/generated \
 	-I${top_srcdir}/libnm-util \
 	-I${srcdir}/.. \
 	$(GLIB_CFLAGS) \