--- a/src/core/hook/hook-url.h
+++ b/src/core/hook/hook-url.h
@@ -20,6 +20,10 @@
 #ifndef WEECHAT_HOOK_URL_H
 #define WEECHAT_HOOK_URL_H
 
+#ifdef __ANDROID__
+#include <stdatomic.h>
+#endif
+
 struct t_weechat_plugin;
 struct t_infolist_item;
 struct t_hashtable;
@@ -42,6 +46,9 @@
     int thread_running;                /* 1 if thread is running            */
     struct t_hook *hook_timer;         /* timer to check if thread has ended*/
     struct t_hashtable *output;        /* URL transfer output data          */
+#ifdef __ANDROID__
+    atomic_flag thread_cancel;         /* thread cancellation flag          */
+#endif
 };
 
 extern char *hook_url_get_description (struct t_hook *hook);