diff --git a/Parser/tokenizer.c b/Parser/tokenizer.c
index 6563cdf..519300f 100644
--- a/Parser/tokenizer.c
+++ b/Parser/tokenizer.c
@@ -1047,7 +1047,7 @@
 #if defined(Py_DEBUG)
         if (Py_DebugFlag) {
             fprintf(stderr, "line[%d] = ", tok->lineno);
-            print_escape(stdout, tok->cur, tok->inp - tok->cur);
+            print_escape(stderr, tok->cur, tok->inp - tok->cur);
             fprintf(stderr, "  tok->done = %d\n", tok->done);
         }
 #endif