diff --git a/res/res_pjsip/pjsip_options.c b/res/res_pjsip/pjsip_options.c
index 579165fdde..e1f048e9a6 100644
--- a/res/res_pjsip/pjsip_options.c
+++ b/res/res_pjsip/pjsip_options.c
@@ -94,7 +94,7 @@
  */
 
 #define DEFAULT_LANGUAGE "en"
-#define DEFAULT_ENCODING "text/plain"
+#define DEFAULT_ENCODING "identity"
 
 /*! \brief These are the number of buckets to store AORs in */
 #ifdef LOW_MEMORY
diff --git a/res/res_pjsip_dlg_options.c b/res/res_pjsip_dlg_options.c
index 5c1da53583..d07373495f 100644
--- a/res/res_pjsip_dlg_options.c
+++ b/res/res_pjsip_dlg_options.c
@@ -34,7 +34,7 @@
 #include "asterisk/res_pjsip_session.h"
 
 #define DEFAULT_LANGUAGE "en"
-#define DEFAULT_ENCODING "text/plain"
+#define DEFAULT_ENCODING "identity"
 
 static int options_incoming_request(struct ast_sip_session *session, pjsip_rx_data *rdata)
 {