diff --git a/src/include/ndpi_protocol_ids.h b/src/include/ndpi_protocol_ids.h
index 59de3ee0e..32f3177d8 100644
--- a/src/include/ndpi_protocol_ids.h
+++ b/src/include/ndpi_protocol_ids.h
@@ -289,7 +289,7 @@ typedef enum {
   
   /* IMPORTANT:NDPI_LAST_IMPLEMENTED_PROTOCOL MUST BE THE LAST ELEMENT */
   NDPI_LAST_IMPLEMENTED_PROTOCOL
-} ndpi_protocol_ids;
+} ndpi_protocol_id_t;
 
 #define NDPI_PROTOCOL_NO_MASTER_PROTO    NDPI_PROTOCOL_UNKNOWN
 #define NDPI_MAX_SUPPORTED_PROTOCOLS     NDPI_LAST_IMPLEMENTED_PROTOCOL