diff --git a/example/scp_write.c b/example/scp_write.c
index 2da9883..cbf2378 100644
--- a/example/scp_write.c
+++ b/example/scp_write.c
@@ -147,7 +147,10 @@ int main(int argc, char *argv[])
                                (unsigned long)fileinfo.st_size);
 
     if (!channel) {
-        fprintf(stderr, "Unable to open a session\n");
+        char *errmsg;
+        int *errlen;
+        int err = libssh2_session_last_error(session, &errmsg, &errlen, 0);
+        fprintf(stderr, "Unable to open a session: (%d) %s\n", err, errmsg);
         goto shutdown;
     }