diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index d839893d2c657e..38b360bd1f74c6 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -1624,7 +1624,7 @@ def func():
             INTERPRETER_FRAME = '10PhcP'
         else:
             INTERPRETER_FRAME = '9PhcP'
-        check(x, size('3PiccPP' + INTERPRETER_FRAME + 'P'))
+        check(x, size('3PiccPP' + INTERPRETER_FRAME + 'PP'))
         # function
         def func(): pass
         check(func, size('16Pi'))
@@ -1641,7 +1641,7 @@ def bar(cls):
             check(bar, size('PP'))
         # generator
         def get_gen(): yield 1
-        check(get_gen(), size('6P4c' + INTERPRETER_FRAME + 'P'))
+        check(get_gen(), size('6P4c' + INTERPRETER_FRAME + 'PP'))
         # iterator
         check(iter('abc'), size('lP'))
         # callable-iterator
diff --git a/Programs/test_frozenmain.h b/Programs/test_frozenmain.h
index c936622c020e3c..99b0fa48e01c8b 100644
--- a/Programs/test_frozenmain.h
+++ b/Programs/test_frozenmain.h
@@ -1,6 +1,6 @@
 // Auto-generated by Programs/freeze_test_frozenmain.py
 unsigned char M_test_frozenmain[] = {
-    227,0,0,0,0,0,0,0,0,0,0,0,0,8,0,0,
+    227,0,0,0,0,0,0,0,0,0,0,0,0,9,0,0,
     0,0,0,0,0,243,168,0,0,0,149,0,89,0,79,0,
     70,0,111,0,89,0,79,0,70,1,111,1,88,2,31,0,
     79,1,49,1,0,0,0,0,0,0,29,0,88,2,31,0,
diff --git a/Python/compile.c b/Python/compile.c
index cbfba7f493e07d..82db6749db207d 100644
--- a/Python/compile.c
+++ b/Python/compile.c
@@ -1335,6 +1335,11 @@ optimize_and_assemble_code_unit(struct compiler_unit *u, PyObject *const_cache,
         goto error;
     }
 
+    /* Reserve an extra word on the stack to ensure there is space for uops to
+       pass at least one item on the stack to a subsequent uop.
+    */
+    stackdepth++;
+
     /** Assembly **/
     co = _PyAssemble_MakeCodeObject(&u->u_metadata, const_cache, consts,
                                     stackdepth, &optimized_instrs, nlocalsplus,