diff --git a/src/mod/endpoints/mod_sofia/sofia.c b/src/mod/endpoints/mod_sofia/sofia.c
index 2602cd57d2..a7ba0f036a 100644
--- a/src/mod/endpoints/mod_sofia/sofia.c
+++ b/src/mod/endpoints/mod_sofia/sofia.c
@@ -5787,11 +5787,13 @@ static void sofia_handle_sip_i_state(switch_core_session_t *session, int status,
 		}
 	}
 
-	if (tech_pvt && (status > 100 || switch_channel_test_flag(channel, CF_ANSWERED)) && status < 300 && !r_sdp && tech_pvt->last_sdp_str) {
-		r_sdp = tech_pvt->last_sdp_str;
-	}
+	if (tech_pvt) {
+		if ((status > 100 || switch_channel_test_flag(channel, CF_ANSWERED)) && status < 300 && !r_sdp && tech_pvt->last_sdp_str) {
+			r_sdp = tech_pvt->last_sdp_str;
+		}
 
-	tech_pvt->last_sdp_str = NULL;
+		tech_pvt->last_sdp_str = NULL;
+	}
 	
 	if ((channel && (switch_channel_test_flag(channel, CF_PROXY_MODE) || switch_channel_test_flag(channel, CF_PROXY_MEDIA))) ||
 		(sofia_test_flag(profile, TFLAG_INB_NOMEDIA) || sofia_test_flag(profile, TFLAG_PROXY_MEDIA))) {