diff --git a/configure.ac b/configure.ac
index 779e0e8b0125e8912e554b447df3d0640d62dfd2..4a383ffea1813eb8ae9c9d0d27e59960b20721fe 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2508,7 +2508,7 @@ fi
 if test "x$USE_WINDOWS_SSPI" = "x1"; then
   SUPPORT_FEATURES="$SUPPORT_FEATURES SSPI"
 fi
-if test "x$USE_SSLEAY" = "x1" -o "x$USE_WINDOWS_SSPI" = "x1" -o "x$USE_GNUTLS" = "x1"; then
+if test "x$USE_SSLEAY" = "x1" -o "x$USE_WINDOWS_SSPI" = "x1" -o "x$GNUTLS_ENABLED" = "x1"; then
   SUPPORT_FEATURES="$SUPPORT_FEATURES NTLM"
 fi