diff --git a/pjsip-apps/src/samples/jbsim.c b/pjsip-apps/src/samples/jbsim.c
index c32b0e3..844af38 100644
--- a/pjsip-apps/src/samples/jbsim.c
+++ b/pjsip-apps/src/samples/jbsim.c
@@ -310,7 +310,7 @@
     struct stream *stream = NULL;
     pjmedia_codec_mgr *cm;
     unsigned count;
-    pjmedia_codec_info *ci;
+    const pjmedia_codec_info *ci;
     pjmedia_stream_info si;
     pj_status_t status;