diff --git a/configure.ac b/configure.ac
index b3a168ba65b780caf6fd54ac4cf5a24484e34dbe..988fc35e537e21c1680ba68c5e02b282227e57d0 100644
--- a/configure.ac
+++ b/configure.ac
@@ -188,11 +188,18 @@ PKG_CHECK_MODULES(DBUSCPP, dbus-c++-1 >= ${LIBDBUSCPP_MIN_VERSION})
 AC_SUBST(DBUSCPP_LIBS)
 AC_SUBST(DBUSCPP_CFLAGS)
 
+LIBOPENSSL_MIN_VERSION=0.9.8
+PKG_CHECK_MODULES(LIBOPENSSL, libssl >= ${LIBOPENSSL_MIN_VERSION})
+AC_SUBST(LIBOPENSSL_LIBS)
+AC_SUBST(LIBOPENSSL_CFLAGS)
+
 dnl Check for libcppunit-dev
 CPPUNIT_MIN_VERSION=1.12
 PKG_CHECK_MODULES(CPPUNIT, cppunit >= ${CPPUNIT_MIN_VERSION})
 AC_SUBST(CPPUNIT_LIBS)
 
+LIBSSL_MIN_VERSION=0.9.8
+
 # check for libgsm1 (doesn't use pkg-config)
 dnl Check for libgsm
 AC_ARG_WITH([gsm],