--- a/configure.ac
+++ b/configure.ac
@@ -22,6 +22,7 @@
 AC_CHECK_LIB([rt], [clock_gettime], [], [])
 AC_CHECK_LIB([pthread], [pthread_create], [], [])
 AC_CHECK_LIB([upnp], [UpnpInit], [], AC_MSG_ERROR([libupnp not found]))
+AC_CHECK_LIB([curl], [curl_easy_init], [], AC_MSG_ERROR([libcurl not found]))
 AC_CHECK_LIB([ixml], [ixmlDocument_getElementsByTagName], [], 
 		     AC_MSG_ERROR([libixml (usually installed as part of libupnp) not found]))
 AC_CHECK_FUNCS([getifaddrs] [UpnpSetLogLevel])