diff --git a/bacnet-stack/include/timestamp.h b/bacnet-stack/include/timestamp.h
index bfc04994..66cca531 100644
--- a/bacnet-stack/include/timestamp.h
+++ b/bacnet-stack/include/timestamp.h
@@ -34,7 +34,7 @@ typedef enum {
 
 typedef uint8_t TYPE_BACNET_TIMESTAMP_TYPE;
 
-typedef struct {
+typedef struct BACnet_Timestamp {
     TYPE_BACNET_TIMESTAMP_TYPE tag;
     union {
         BACNET_TIME time;