diff --git a/configure b/configure
index b844309..bd159fb 100755
--- a/configure
+++ b/configure
@@ -6212,6 +6212,13 @@ fi
 { $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ssl_SSL_get_version" >&5
 $as_echo "$ac_cv_lib_ssl_SSL_get_version" >&6; }
 if test "x$ac_cv_lib_ssl_SSL_get_version" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBSSL 1
+_ACEOF
+
+  LIBS="-lssl $LIBS"
+
+else
   as_fn_error $? "Can not find libssl." "$LINENO" 5
 fi
 
diff --git a/configure.ac b/configure.ac
index 79c828e..df86516 100644
--- a/configure.ac
+++ b/configure.ac
@@ -23,7 +23,7 @@ AM_GNU_GETTEXT([external])
 
 AC_CHECK_LIB([idn2], [idn2_to_ascii_8z], [], AC_MSG_ERROR([Can not this function find libidn2.]))
 
-AC_CHECK_LIB([ssl], [SSL_get_version], AC_MSG_ERROR([Can not find libssl.]))
+AC_CHECK_LIB([ssl], [SSL_get_version], [], AC_MSG_ERROR([Can not find libssl.]))
 
 AC_PATH_PROG([LISP_COMPILER],[sbcl],[no])