diff --git a/check/Makefile.am b/check/Makefile.am
index 9e414d1..2e1dcb0 100644
--- a/check/Makefile.am
+++ b/check/Makefile.am
@@ -9,6 +9,8 @@ check_unit_LDFLAGS = $(COVERAGE_LDFLAGS)
 check_unit_LDADD = $(top_builddir)/libcsptr.la $(CHECKLIBS)
 check_unit_SOURCES = \
 	test/test.c \
+	test/test.h \
+	test/utils.h \
 	test/scalar.c \
 	test/misc.c \
 	test/shared.c \