diff --git a/Python/jit.c b/Python/jit.c
index b6d491b9c621d9..c1839d30f424c0 100644
--- a/Python/jit.c
+++ b/Python/jit.c
@@ -485,8 +485,8 @@ emit_prelude(unsigned char *code, const _PyUOpInstruction *instruction)
     // 04 00 E0 F2    movk x4, #0, lsl #48
     // 1F 20 03 D5    nop
     unsigned char code_body[PRELUDE_SIZE] = {
-        0x03, 0x00, 0x80, 0x52, 0x04, 0x00, 0x80, 0xd2, 
-        0x04, 0x00, 0xa0, 0xf2, 0x04, 0x00, 0xc0, 0xf2, 
+        0x03, 0x00, 0x80, 0x52, 0x04, 0x00, 0x80, 0xd2,
+        0x04, 0x00, 0xa0, 0xf2, 0x04, 0x00, 0xc0, 0xf2,
         0x04, 0x00, 0xe0, 0xf2, 0x1f, 0x20, 0x03, 0xd5,
     };
     memcpy(code, code_body, sizeof(code_body));
@@ -504,10 +504,10 @@ emit_prelude(unsigned char *code, const _PyUOpInstruction *instruction)
 static void
 emit_prelude(unsigned char *code, const _PyUOpInstruction *instruction)
 {
-    // BF 00 00 00 00                   mov    edi, 0
-    // 49 BF 00 00 00 00 00 00 00 00    movabs r15, 0
+    // B9 00 00 00 00                   mov    ecx, 0
+    // 49 BF 00 00 00 00 00 00 00 00    movabs r8, 0
     unsigned char code_body[PRELUDE_SIZE] = {
-        0xbf, 0x00, 0x00, 0x00, 0x00, 0x49, 0xbf, 0x00, 
+        0xb9, 0x00, 0x00, 0x00, 0x00, 0x49, 0xbf, 0x00,
         0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
     };
     memcpy(code, code_body, sizeof(code_body));
@@ -524,11 +524,11 @@ emit_prelude(unsigned char *code, const _PyUOpInstruction *instruction)
 {
     // 66 41 B9 00 00                   mov    r9w, 0
     // 48 B8 00 00 00 00 00 00 00 00    movabs rax, 0
-    // 48 89 44 24 28                   mov    qword ptr [rsp + 0x28], rax
+    // 48 89 44 24 40                   mov    qword ptr [rsp + 0x40], rax
     unsigned char code_body[PRELUDE_SIZE] = {
-        0x66, 0x41, 0xb9, 0x00, 0x00, 0x48, 0xb8, 0x00, 
-        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 
-        0x89, 0x44, 0x24, 0x28,
+        0x66, 0x41, 0xb9, 0x00, 0x00, 0x48, 0xb8, 0x00,
+        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48,
+        0x89, 0x44, 0x24, 0x40,
     };
     memcpy(code, code_body, sizeof(code_body));
     patch_16(code + 0x3, instruction->oparg);
@@ -542,13 +542,13 @@ emit_prelude(unsigned char *code, const _PyUOpInstruction *instruction)
 static void
 emit_prelude(unsigned char *code, const _PyUOpInstruction *instruction)
 {
-    // 66 C7 44 24 10 00 00       mov word ptr [esp + 0x10], 0
-    // C7 44 24 14 00 00 00 00    mov dword ptr [esp + 0x14], 0
-    // C7 44 24 18 00 00 00 00    mov dword ptr [esp + 0x18], 0
+    // 66 C7 44 24 10 00 00       mov word ptr [esp + 0x16], 0
+    // C7 44 24 14 00 00 00 00    mov dword ptr [esp + 0x20], 0
+    // C7 44 24 18 00 00 00 00    mov dword ptr [esp + 0x24], 0
     unsigned char code_body[PRELUDE_SIZE] = {
-        0x66, 0xc7, 0x44, 0x24, 0x10, 0x00, 0x00, 0xc7, 
-        0x44, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00, 0xc7, 
-        0x44, 0x24, 0x18, 0x00, 0x00, 0x00, 0x00, 
+        0x66, 0xc7, 0x44, 0x24, 0x10, 0x00, 0x00, 0xc7,
+        0x44, 0x24, 0x14, 0x00, 0x00, 0x00, 0x00, 0xc7,
+        0x44, 0x24, 0x18, 0x00, 0x00, 0x00, 0x00,
     };
     memcpy(code, code_body, sizeof(code_body));
     patch_16(code + 0x5, instruction->oparg);