diff --git a/scripts/Makefile.am b/scripts/Makefile.am
index 06d4609cf..6a314f3fb 100644
--- a/scripts/Makefile.am
+++ b/scripts/Makefile.am
@@ -36,7 +36,7 @@ dh_speed_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lrt
 pubkey_speed_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lrt
 crypt_burn_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
 hash_burn_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
-malloc_speed_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
+malloc_speed_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la -lrt
 fetch_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la
 dnssec_LDADD = $(top_builddir)/src/libstrongswan/libstrongswan.la