diff --git a/tools/linux/peerstats.c b/tools/linux/peerstats.c
index 1689cd7..0cd1a65 100644
--- a/tools/linux/peerstats.c
+++ b/tools/linux/peerstats.c
@@ -260,7 +260,11 @@
 		      sojourn_stats->sum_sojourn_msdu[tid],
 		      sojourn_stats->num_msdus[tid]);
 	}
-	PRINT("sizeof(avg): %"PRIu32,
+#ifdef __LP64__
+	PRINT("sizeof(avg) : %"PRIu64,
+#else
+	PRINT("sizeof(avg) : %"PRIu32,
+#endif
 				sizeof(sojourn_stats->avg_sojourn_msdu[tid]));
 	PRINT("\n...........................................");
 	PRINT("...................................");