diff --git a/Include/internal/pycore_tstate.h b/Include/internal/pycore_tstate.h
index 58dd66b69efc9d..c11d281876872e 100644
--- a/Include/internal/pycore_tstate.h
+++ b/Include/internal/pycore_tstate.h
@@ -51,9 +51,6 @@ typedef struct _PyThreadStateImpl {
     PyObject *asyncio_running_loop; // Strong reference
     PyObject *asyncio_running_task; // Strong reference
 
-    // Reused for the thread's lifetime; owns placeholders while they resolve.
-    PyObject *lazy_imports;
-
     // Distinguishes between yield and return from PyEval_EvalFrame().
     // See gen_send_ex2() in Objects/genobject.c
     enum {
@@ -106,6 +103,9 @@ typedef struct _PyThreadStateImpl {
     struct _PyJitTracerState *jit_tracer_state;
 #endif
 
+    // Reused for the thread's lifetime; owns placeholders while they resolve.
+    PyObject *lazy_imports;
+
 #ifdef Py_GIL_DISABLED
     // gh-144438: Add padding to ensure that the fields above don't share a
     // cache line with other allocations.
diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2026-10-02-09-58-47.gh-issue-158593.mG78Qp.rst b/Misc/NEWS.d/next/Core_and_Builtins/2026-10-02-09-58-47.gh-issue-158593.mG78Qp.rst
new file mode 100644
index 00000000000000..1102ec35ddeb05
--- /dev/null
+++ b/Misc/NEWS.d/next/Core_and_Builtins/2026-10-02-09-58-47.gh-issue-158593.mG78Qp.rst
@@ -0,0 +1,2 @@
+Move the ``lazy_imports`` field to the end of the internal ``_PyThreadStateImpl``
+struct so that the offsets of the existing fields match 3.15 rc1 and rc2.