diff --git a/m4/virt-gnutls.m4 b/m4/virt-gnutls.m4
index b85082852f96116446c2228e7dfe218a4286079c..5bca950bcdd6d51e7ce00922f9d7a9003f5453f6 100644
--- a/m4/virt-gnutls.m4
+++ b/m4/virt-gnutls.m4
@@ -54,8 +54,11 @@ AC_DEFUN([LIBVIRT_CHECK_GNUTLS],[
       #include <gnutls/gnutls.h>
     ]])
 
+    OLD_LIBS="$LIBS"
+    LIBS="$LIBS $GNUTLS_LIBS"
     AC_CHECK_FUNC([gnutls_rnd])
     AC_CHECK_FUNC([gnutls_cipher_encrypt])
+    LIBS=$OLD_LIBS
   fi
 ])