diff --git a/Parser/pegen.c b/Parser/pegen.c
index e153e924e93119e..15a4af076552211 100644
--- a/Parser/pegen.c
+++ b/Parser/pegen.c
@@ -398,7 +398,7 @@ _PyPegen_raise_error_known_location(Parser *p, PyObject *errtype,
     }
 
     if (p->start_rule == Py_file_input) {
-        error_line = PyErr_ProgramTextObject(p->tok->filename, lineno);
+        error_line = PyErr_ProgramTextObject(p->tok->filename, (int) lineno);
     }
 
     if (!error_line) {
diff --git a/Parser/pegen.h b/Parser/pegen.h
index c4ff8c9d51252d0..6f3157dc9750d83 100644
--- a/Parser/pegen.h
+++ b/Parser/pegen.h
@@ -34,7 +34,7 @@ typedef struct _memo {
 typedef struct {
     int type;
     PyObject *bytes;
-    Py_ssize_t lineno, col_offset, end_lineno, end_col_offset;
+    int lineno, col_offset, end_lineno, end_col_offset;
     Memo *memo;
 } Token;