diff --git a/src/mod/applications/mod_spandsp/mod_spandsp_fax.c b/src/mod/applications/mod_spandsp/mod_spandsp_fax.c
index c1d60895e2..d5b80b6e09 100644
--- a/src/mod/applications/mod_spandsp/mod_spandsp_fax.c
+++ b/src/mod/applications/mod_spandsp/mod_spandsp_fax.c
@@ -867,7 +867,7 @@ static switch_status_t spanfax_init(pvt_t *pvt, transport_mode_t trans_mode)
 	}
 
 	if (pvt->use_ecm) {
-		t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION);
+		t30_set_supported_compressions(t30, T30_SUPPORT_T4_1D_COMPRESSION | T30_SUPPORT_T4_2D_COMPRESSION | T30_SUPPORT_T6_COMPRESSION | T30_SUPPORT_T85_COMPRESSION | T30_SUPPORT_T85_L0_COMPRESSION);
 		t30_set_ecm_capability(t30, TRUE);
 		switch_channel_set_variable(channel, "fax_ecm_requested", "1");
 	} else {