diff --git a/aqhome/serial.c b/aqhome/serial.c
index ac3599f..5264df2 100644
--- a/aqhome/serial.c
+++ b/aqhome/serial.c
@@ -384,7 +384,7 @@ int _check(const uint8_t *ptr, uint8_t len)
   }
   if (x) {
     DBG_ERROR(NULL, "Bad checksum");
-    GWEN_Text_DumpString(ptr, len, 2);
+    GWEN_Text_DumpString(ptr, len, 6);
     return GWEN_ERROR_GENERIC;
   }