diff --git a/Parser/grammar.c b/Parser/grammar.c
index 659a151..c0613df 100644
--- a/Parser/grammar.c
+++ b/Parser/grammar.c
@@ -104,7 +104,7 @@
 	lb->lb_type = type;
 	lb->lb_str = strdup(str);
 	if (Py_DebugFlag)
-		printf("Label @ %08x, %d: %s\n", (unsigned)ll, ll->ll_nlabels,
+		printf("Label @ %8p, %d: %s\n", ll, ll->ll_nlabels,
 		       PyGrammar_LabelRepr(lb));
 	return lb - ll->ll_label;
 }