diff --git a/src_main/core/pichunkstream.cpp b/src_main/core/pichunkstream.cpp
index c892be58..de9cf10b 100644
--- a/src_main/core/pichunkstream.cpp
+++ b/src_main/core/pichunkstream.cpp
@@ -84,7 +84,7 @@ void PIChunkStream::_init() {
 			v &= 0x7f;
 			switch (v) {
 			case 2:  version_ = (uchar)Version_2; data_->pop_front(); break;
-			default: break;
+			default: version_ = Version_1; break;
 			}
 		} else
 			version_ = Version_1;