diff --git a/tool/Makefile.am b/tool/Makefile.am
index 5d5027b..0e5af5e 100644
--- a/tool/Makefile.am
+++ b/tool/Makefile.am
@@ -40,6 +40,7 @@ libpiv_cmd_la_SOURCES = cmdline.ggo cmdline.c cmdline.h
 libpiv_cmd_la_CFLAGS =
 
 libpiv_util_la_SOURCES = util.c util.h
+libpiv_util_la_LIBADD = $(OPENSSL_LIBS)
 
 cmdline.c cmdline.h: cmdline.ggo Makefile.am
 	$(GENGETOPT) --input $^