diff --git a/Python/optimizer_bytecodes.c b/Python/optimizer_bytecodes.c
index e761b1b3433..e38428af108 100644
--- a/Python/optimizer_bytecodes.c
+++ b/Python/optimizer_bytecodes.c
@@ -545,7 +545,7 @@ dummy_func(void) {
 
         PyCodeObject *co = NULL;
         assert((this_instr + 2)->opcode == _PUSH_FRAME);
-        uintptr_t push_operand = (this_instr + 2)->operand;
+        uint64_t push_operand = (this_instr + 2)->operand;
         if (push_operand & 1) {
             co = (PyCodeObject *)(push_operand & ~1);
             DPRINTF(3, "code=%p ", co);
diff --git a/Python/optimizer_cases.c.h b/Python/optimizer_cases.c.h
index 2908a26c209..6aeea51e625 100644
--- a/Python/optimizer_cases.c.h
+++ b/Python/optimizer_cases.c.h
@@ -1598,7 +1598,7 @@
             (void)callable;
             PyCodeObject *co = NULL;
             assert((this_instr + 2)->opcode == _PUSH_FRAME);
-            uintptr_t push_operand = (this_instr + 2)->operand;
+            uint64_t push_operand = (this_instr + 2)->operand;
             if (push_operand & 1) {
                 co = (PyCodeObject *)(push_operand & ~1);
                 DPRINTF(3, "code=%p ", co);