diff --git a/connections/c/nc_types.h b/connections/c/nc_types.h
index 63422436..1984f7d9 100644
--- a/connections/c/nc_types.h
+++ b/connections/c/nc_types.h
@@ -107,8 +107,8 @@ typedef enum NC_STATUS {
 typedef enum NC_PAYLOAD_TYPE {
   NC_PAYLOAD_TYPE_UNKNOWN = 0,
   NC_PAYLOAD_TYPE_BYTES = 1,
-  NC_PAYLOAD_TYPE_STREAM = 2,
-  NC_PAYLOAD_TYPE_FILE = 3
+  NC_PAYLOAD_TYPE_FILE = 2,
+  NC_PAYLOAD_TYPE_STREAM = 3
 } NC_PAYLOAD_TYPE;
 
 typedef enum NC_PAYLOAD_DIRECTION {