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-rw-r--r--src/xmpp/omemo.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/xmpp/omemo.c b/src/xmpp/omemo.c
index 4b77ef23..ccf3c55b 100644
--- a/src/xmpp/omemo.c
+++ b/src/xmpp/omemo.c
@@ -359,7 +359,11 @@ _omemo_receive_devicelist(xmpp_stanza_t *const stanza, void *const userdata)
         xmpp_stanza_t *device;
         for (device = xmpp_stanza_get_children(list); device != NULL; device = xmpp_stanza_get_next(device)) {
             const char *id = xmpp_stanza_get_id(device);
-            device_list = g_list_append(device_list, GINT_TO_POINTER(strtoul(id, NULL, 10)));
+            if (id != NULL) {
+               device_list = g_list_append(device_list, GINT_TO_POINTER(strtoul(id, NULL, 10)));
+            } else {
+               log_error("OMEMO: received device without ID");
+            }
         }
     }
     omemo_set_device_list(from, device_list);