diff --git a/sensorhandler.h b/sensorhandler.h
index 2b1f527..3022296 100644
--- a/sensorhandler.h
+++ b/sensorhandler.h
@@ -258,7 +258,7 @@
     uint16_t reserved;
     uint8_t oem_reserved;
     uint8_t id_string_info;
-    char id_string[16];
+    char id_string[FULL_RECORD_ID_STR_MAX_LENGTH];
 } __attribute__((packed));
 
 namespace body