diff --git a/src/mod/endpoints/mod_sofia/mod_sofia.c b/src/mod/endpoints/mod_sofia/mod_sofia.c
index d5d2f985f1..594bc33fb3 100644
--- a/src/mod/endpoints/mod_sofia/mod_sofia.c
+++ b/src/mod/endpoints/mod_sofia/mod_sofia.c
@@ -1448,7 +1448,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 			nua_respond(tech_pvt->nh, SIP_180_RINGING,
 						SIPTAG_CONTACT_STR(tech_pvt->reply_contact),
 						SIPTAG_HEADER_STR(generate_pai_str(session)), 
-						TAG_IF(!switch_strlen_zero(extra_headers), SIPTAG_HEADER_STR(extra_header)),
+						TAG_IF(!switch_strlen_zero(extra_header), SIPTAG_HEADER_STR(extra_header)),
 						TAG_END());
 			switch_safe_free(extra_header);
 			switch_channel_mark_ring_ready(channel);
@@ -1522,7 +1522,7 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 				}
 
 				if (!sofia_test_flag(tech_pvt, TFLAG_BYE)) {
-					char *extra_headers = sofia_glue_get_extra_headers(channel, SOFIA_SIP_PROGRESS_HEADER_PREFIX);
+					char *extra_header = sofia_glue_get_extra_headers(channel, SOFIA_SIP_PROGRESS_HEADER_PREFIX);
 					nua_respond(tech_pvt->nh,
 								SIP_183_SESSION_PROGRESS,
 								NUTAG_AUTOANSWER(0),
@@ -1533,9 +1533,9 @@ static switch_status_t sofia_receive_message(switch_core_session_t *session, swi
 								SOATAG_ORDERED_USER(1),
 								SOATAG_ADDRESS(tech_pvt->adv_sdp_audio_ip),
 								SOATAG_USER_SDP_STR(tech_pvt->local_sdp_str), SOATAG_AUDIO_AUX("cn telephone-event"), 
-								TAG_IF(!switch_strlen_zero(extra_headers), SIPTAG_HEADER_STR(extra_headers)),
+								TAG_IF(!switch_strlen_zero(extra_header), SIPTAG_HEADER_STR(extra_header)),
 								TAG_END());
-					switch_safe_free(extra_headers);
+					switch_safe_free(extra_header);
 				}
 			}
 		}