diff --git a/third_party/python/launch.c b/third_party/python/launch.c
index 40b611672..c98b0ee8a 100644
--- a/third_party/python/launch.c
+++ b/third_party/python/launch.c
@@ -5,6 +5,8 @@
 │ https://docs.python.org/3/license.html                                       │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/calls/calls.h"
+#include "libc/calls/struct/siginfo.h"
+#include "libc/calls/ucontext.h"
 #include "libc/dce.h"
 #include "libc/intrin/kprintf.h"
 #include "libc/log/libfatal.internal.h"