diff --git a/linphone/console/linphonec.c b/linphone/console/linphonec.c
index 153518ff5dd72e3a36046209205c1bda7049a4b9..f9295d4f7ce625494fbe2442eb06d2f74036007c 100644
--- a/linphone/console/linphonec.c
+++ b/linphone/console/linphonec.c
@@ -408,7 +408,7 @@ static void *pipe_thread(void*p){
 		if (client_sock!=ORTP_PIPE_INVALID){
 			int len;
 			/*now read from the client */
-			if ((len=ortp_pipe_read(client_sock,tmp,sizeof(tmp)-1))>0){
+			if ((len=ortp_pipe_read(client_sock,(uint8_t*)tmp,sizeof(tmp)-1))>0){
 				ortp_mutex_lock(&prompt_mutex);
 				tmp[len]='\0';
 				strcpy(received_prompt,tmp);
@@ -495,7 +495,7 @@ void linphonec_out(const char *fmt,...){
 	printf("%s",res);
 	fflush(stdout);
 	if (client_sock!=ORTP_PIPE_INVALID){
-		if (ortp_pipe_write(client_sock,res,strlen(res))==-1){
+		if (ortp_pipe_write(client_sock,(uint8_t*)res,strlen(res))==-1){
 			fprintf(stderr,"Fail to send output via pipe: %s",strerror(errno));
 		}
 	}
diff --git a/linphone/console/shell.c b/linphone/console/shell.c
index d40ff0588949963ae9c10b90ad0a93f3885b1538..ea9c9dd67c47f9c95326b3259db32d973cf4fc03 100644
--- a/linphone/console/shell.c
+++ b/linphone/console/shell.c
@@ -91,14 +91,14 @@ static int send_command(const char *command, char *reply, int reply_len, int pri
 		if (print_errors) fprintf(stderr,"ERROR: Failed to connect pipe: %s\n",strerror(errno));
 		return -1;
 	}
-	if (ortp_pipe_write(pp,command,strlen(command))==-1){
+	if (ortp_pipe_write(pp,(uint8_t*)command,strlen(command))==-1){
 		if (print_errors) fprintf(stderr,"ERROR: Fail to send command to remote linphonec\n");
 		ortp_client_pipe_close(pp);
 		return -1;
 	}
 	/*wait for replies */
 	i=0;
-	while ((err=ortp_pipe_read(pp,&reply[i],reply_len-i-1))>0){
+	while ((err=ortp_pipe_read(pp,(uint8_t*)&reply[i],reply_len-i-1))>0){
 		i+=err;
 	}
 	reply[i]='\0';