diff --git a/libs/main/core/piobject.cpp b/libs/main/core/piobject.cpp
index c2aed911..cdd76790 100644
--- a/libs/main/core/piobject.cpp
+++ b/libs/main/core/piobject.cpp
@@ -21,6 +21,7 @@
 
 #include "piconditionvar.h"
 #include "pithread.h"
+#include "pitime.h"
 #ifndef MICRO_PIP
 #  include "pifile.h"
 #  include "piiostream.h"