1 files changed, 2 insertions, 0 deletions
diff --git a/Include/internal/pycore_runtime.h b/Include/internal/pycore_runtime.h
index 0720e2ed442..c6b48cae776 100644
--- a/Include/internal/pycore_runtime.h
+++ b/Include/internal/pycore_runtime.h
@@ -21,6 +21,7 @@ extern "C" {
 #include "pycore_pymem.h"           // struct _pymem_allocators
 #include "pycore_pyhash.h"          // struct pyhash_runtime_state
 #include "pycore_obmalloc.h"        // struct obmalloc_state
+#include "pycore_os.h"              // struct _os_runtime_state
 #include "pycore_unicodeobject.h"   // struct _Py_unicode_runtime_ids
 
 struct _getargs_runtime_state {
@@ -103,6 +104,7 @@ typedef struct pyruntimestate {
          * KeyboardInterrupt exception, suggesting the user pressed ^C. */
         int unhandled_keyboard_interrupt;
     } signals;
+    struct _os_runtime_state os;
 
     struct pyinterpreters {
         PyThread_type_lock mutex;