diff --git a/tests/Makefile.am b/tests/Makefile.am
index 5536bc8..7953176 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,8 @@
 # -*- Makefile -*-
 
+EXTRA_DIST = \
+	util.h
+
 if ENABLE_UNIT_TESTS
 
 AM_CPPFLAGS  = -Wall -I${top_srcdir}/include -I${top_builddir}/include -D_GNU_SOURCE -DSYSCONFDIR=\"$(sysconfdir)/libnl\"