diff --git a/Modules/_testinternalcapi/test_cases.c.h b/Modules/_testinternalcapi/test_cases.c.h
index 238e17bea303d3..894c4d16e11bdd 100644
--- a/Modules/_testinternalcapi/test_cases.c.h
+++ b/Modules/_testinternalcapi/test_cases.c.h
@@ -7946,7 +7946,7 @@
                 assert(INLINE_CACHE_ENTRIES_SEND == INLINE_CACHE_ENTRIES_FOR_ITER);
                 #if TIER_ONE && defined(Py_DEBUG)
                 if (!PyStackRef_IsNone(frame->f_executable)) {
-                    int i = frame->instr_ptr - _PyFrame_GetBytecode(frame);
+                    int i = (int)(frame->instr_ptr - _PyFrame_GetBytecode(frame));
                     int opcode = _Py_GetBaseCodeUnit(_PyFrame_GetCode(frame), i).op.code;
                     assert(opcode == SEND || opcode == FOR_ITER);
                 }
@@ -13056,7 +13056,7 @@
                 assert(INLINE_CACHE_ENTRIES_SEND == INLINE_CACHE_ENTRIES_FOR_ITER);
                 #if TIER_ONE && defined(Py_DEBUG)
                 if (!PyStackRef_IsNone(frame->f_executable)) {
-                    int i = frame->instr_ptr - _PyFrame_GetBytecode(frame);
+                    int i = (int)(frame->instr_ptr - _PyFrame_GetBytecode(frame));
                     int opcode = _Py_GetBaseCodeUnit(_PyFrame_GetCode(frame), i).op.code;
                     assert(opcode == SEND || opcode == FOR_ITER);
                 }
diff --git a/Python/bytecodes.c b/Python/bytecodes.c
index 3bd489122da9d4..cf34db74a158cf 100644
--- a/Python/bytecodes.c
+++ b/Python/bytecodes.c
@@ -1867,7 +1867,7 @@ dummy_func(
             assert(INLINE_CACHE_ENTRIES_SEND == INLINE_CACHE_ENTRIES_FOR_ITER);
             #if TIER_ONE && defined(Py_DEBUG)
             if (!PyStackRef_IsNone(frame->f_executable)) {
-                int i = frame->instr_ptr - _PyFrame_GetBytecode(frame);
+                int i = (int)(frame->instr_ptr - _PyFrame_GetBytecode(frame));
                 int opcode = _Py_GetBaseCodeUnit(_PyFrame_GetCode(frame), i).op.code;
                 assert(opcode == SEND || opcode == FOR_ITER);
             }
diff --git a/Python/executor_cases.c.h b/Python/executor_cases.c.h
index b6a2821db3007e..4edbc999ef32bf 100644
--- a/Python/executor_cases.c.h
+++ b/Python/executor_cases.c.h
@@ -9346,7 +9346,7 @@
             assert(INLINE_CACHE_ENTRIES_SEND == INLINE_CACHE_ENTRIES_FOR_ITER);
             #if TIER_ONE && defined(Py_DEBUG)
             if (!PyStackRef_IsNone(frame->f_executable)) {
-                int i = frame->instr_ptr - _PyFrame_GetBytecode(frame);
+                int i = (int)(frame->instr_ptr - _PyFrame_GetBytecode(frame));
                 int opcode = _Py_GetBaseCodeUnit(_PyFrame_GetCode(frame), i).op.code;
                 assert(opcode == SEND || opcode == FOR_ITER);
             }
diff --git a/Python/generated_cases.c.h b/Python/generated_cases.c.h
index 2623105656c90c..900b6179286db6 100644
--- a/Python/generated_cases.c.h
+++ b/Python/generated_cases.c.h
@@ -7945,7 +7945,7 @@
                 assert(INLINE_CACHE_ENTRIES_SEND == INLINE_CACHE_ENTRIES_FOR_ITER);
                 #if TIER_ONE && defined(Py_DEBUG)
                 if (!PyStackRef_IsNone(frame->f_executable)) {
-                    int i = frame->instr_ptr - _PyFrame_GetBytecode(frame);
+                    int i = (int)(frame->instr_ptr - _PyFrame_GetBytecode(frame));
                     int opcode = _Py_GetBaseCodeUnit(_PyFrame_GetCode(frame), i).op.code;
                     assert(opcode == SEND || opcode == FOR_ITER);
                 }
@@ -13053,7 +13053,7 @@
                 assert(INLINE_CACHE_ENTRIES_SEND == INLINE_CACHE_ENTRIES_FOR_ITER);
                 #if TIER_ONE && defined(Py_DEBUG)
                 if (!PyStackRef_IsNone(frame->f_executable)) {
-                    int i = frame->instr_ptr - _PyFrame_GetBytecode(frame);
+                    int i = (int)(frame->instr_ptr - _PyFrame_GetBytecode(frame));
                     int opcode = _Py_GetBaseCodeUnit(_PyFrame_GetCode(frame), i).op.code;
                     assert(opcode == SEND || opcode == FOR_ITER);
                 }