diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index ffa2a6b32..91b3d060b 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -154,7 +154,11 @@ const LinphoneAddress *linphone_core_get_current_call_remote_address(struct _Lin
 }
 
 void linphone_core_set_log_handler(OrtpLogFunc logfunc) {
-	ortp_set_log_handler(logfunc);
+	if (ortp_logv_out == linphone_core_log_collection_handler) {
+		ms_message("There is already a log collection handler, keep it");
+		liblinphone_log_func = logfunc;
+	} else
+		ortp_set_log_handler(logfunc);
 }
 
 void linphone_core_set_log_file(FILE *file) {
@@ -645,7 +649,7 @@ void linphone_core_enable_logs(FILE *file){
 **/
 void linphone_core_enable_logs_with_cb(OrtpLogFunc logfunc){
 	ortp_set_log_level_mask(ORTP_MESSAGE|ORTP_WARNING|ORTP_ERROR|ORTP_FATAL);
-	ortp_set_log_handler(logfunc);
+	linphone_core_set_log_handler(logfunc);
 	sal_enable_logs();
 }