diff --git a/include/reHDD.h b/include/reHDD.h
index 6938d45..9b24a8a 100644
--- a/include/reHDD.h
+++ b/include/reHDD.h
@@ -14,7 +14,7 @@
 #define WORSE_HOURS   19200 //mark drive if at this limit or beyond
 #define WORSE_POWERUP 10000  //mark drive if at this limit or beyond
 #define WORSE_TEMPERATURE 55 //mark drive if at this limit or beyond
-#define SHRED_ITERATIONS 2U
+#define SHRED_ITERATIONS 3U
 #define FROZEN_TIMEOUT 20 //After this timeout (minutes) the drive will be marked as frozen, if no progress
 #define METRIC_THRESHOLD 3L*1000L*1000L*1000L //calc shred speed with this minimum of time delta