diff --git a/net/dcsctp/public/types.h b/net/dcsctp/public/types.h
index 31c3f94..0b22fa8 100644
--- a/net/dcsctp/public/types.h
+++ b/net/dcsctp/public/types.h
@@ -19,7 +19,7 @@
 using StreamID = StrongAlias<class StreamIDTag, uint16_t>;
 
 // Payload Protocol Identifier (PPID)
-using PPID = StrongAlias<class PPIDTag, uint16_t>;
+using PPID = StrongAlias<class PPIDTag, uint32_t>;
 
 // Timeout Identifier
 using TimeoutID = StrongAlias<class TimeoutTag, uint64_t>;