diff --git a/libs/sofia-sip/libsofia-sip-ua/msg/msg_parser.c b/libs/sofia-sip/libsofia-sip-ua/msg/msg_parser.c
index 32257144f1..e4bf3debca 100644
--- a/libs/sofia-sip/libsofia-sip-ua/msg/msg_parser.c
+++ b/libs/sofia-sip/libsofia-sip-ua/msg/msg_parser.c
@@ -327,7 +327,7 @@ void *msg_buf_move(msg_t *dst, msg_t const *src)
  * @param[in]  msg     message object
  * @param[out] vec     I/O vector
  * @param[in]  veclen  available length of @a vec
- * @param[in]  n       number of possibly available bytes�
+ * @param[in]  n       number of possibly available bytes
  * @param[in]  exact   true if data ends at message boundary
  *
  * @return
diff --git a/libs/sofia-sip/libsofia-sip-ua/nua/nua.c b/libs/sofia-sip/libsofia-sip-ua/nua/nua.c
index bda8fa5892..451cebb134 100644
--- a/libs/sofia-sip/libsofia-sip-ua/nua/nua.c
+++ b/libs/sofia-sip/libsofia-sip-ua/nua/nua.c
@@ -89,7 +89,7 @@ su_log_t nua_log[] = { SU_LOG_INIT("nua", "NUA_DEBUG", SU_DEBUG) };
  * @param root            Pointer to a root object
  * @param callback        Pointer to event callback function
  * @param magic           Pointer to callback context
- * @param tag,�value,�... List of tagged parameters
+ * @param tag,�value, ... List of tagged parameters
  *
  * @retval !=NULL a pointer to a @nua stack object
  * @retval NULL upon an error