diff --git a/tests/Makefile.am b/tests/Makefile.am
index 1d781a8..edb10e5 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -1,5 +1,5 @@
 TESTS = check_line
 check_PROGRAMS = check_line
 check_line_SOURCES = check_line.c $(top_builddir)/src/line.h
-check_line_CFLAGS = @CHECK_CFLAGS@
-check_line_LDADD = $(top_builddir)/src/libbip.a @CHECK_LIBS@
+check_line_CFLAGS = @CHECK_CFLAGS@  $(OPENSSL_CFLAGS)
+check_line_LDADD = $(top_builddir)/src/libbip.a @CHECK_LIBS@  $(OPENSSL_LIBS)