diff --git a/sample/include.am b/sample/include.am
index 6442a8b5..91d28352 100644
--- a/sample/include.am
+++ b/sample/include.am
@@ -15,12 +15,12 @@ SAMPLES = \
 if OPENSSL
 SAMPLES += sample/le-proxy
 sample_le_proxy_SOURCES = sample/le-proxy.c
-sample_le_proxy_LDADD = libevent.la libevent_openssl.la -lssl -lcrypto ${OPENSSL_LIBADD}
+sample_le_proxy_LDADD = libevent.la libevent_openssl.la ${OPENSSL_LIBS} ${OPENSSL_LIBADD}
 sample_le_proxy_INCLUDES = $(OPENSSL_INCS)
 
 SAMPLES += sample/https-client
 sample_https_client_SOURCES = sample/https-client.c
-sample_https_client_LDADD = libevent.la libevent_openssl.la -lssl -lcrypto ${OPENSSL_LIBADD}
+sample_https_client_LDADD = libevent.la libevent_openssl.la ${OPENSSL_LIBS} ${OPENSSL_LIBADD}
 sample_https_client_INCLUDES = $(OPENSSL_INCS)
 endif