diff --git a/CMakeLists.txt b/CMakeLists.txt
index 0053e505..c095c503 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -251,6 +251,7 @@ endif()
 
 # Check if PIP should be built with introspection
 set(_PIP_DEFS "")
+set(_PIP_DEFS_FILE "${CMAKE_CURRENT_BINARY_DIR}/pip_defs.h")
 if(INTROSPECTION)
 	message(STATUS "Building PIP with introspection")
 	message(STATUS "Warning: Introspection reduces the performance!")
@@ -261,12 +262,12 @@ else()
 endif()
 if ((NOT DEFINED _PIP_SAVED_DEFS) OR (NOT "x${_PIP_SAVED_DEFS}" STREQUAL "x${_PIP_DEFS}"))
 	set(_PIP_SAVED_DEFS "${_PIP_DEFS}" CACHE STRING "pip_defs" FORCE)
-	file(WRITE  "${PIP_SRC_MAIN}/pip_defs.h" "// This file was generated by PIP CMake, don`t edit it!\n")
+	file(WRITE ${_PIP_DEFS_FILE} "// This file was generated by PIP CMake, don`t edit it!\n")
 	if (NOT "x${_PIP_DEFS}" STREQUAL "x")
-		file(APPEND "${PIP_SRC_MAIN}/pip_defs.h" "#ifndef ${_PIP_DEFS}\n#  define ${_PIP_DEFS}\n#endif\n")
+		file(APPEND ${_PIP_DEFS_FILE} "#ifndef ${_PIP_DEFS}\n#  define ${_PIP_DEFS}\n#endif\n")
 	endif()
 endif()
-list(APPEND HDRS "${PIP_SRC_MAIN}/pip_defs.h")
+list(APPEND HDRS ${_PIP_DEFS_FILE})
 #message("${_PIP_DEFS_CHANGED}")
 
 
diff --git a/src_main/system/pisystemmonitor.cpp b/src_main/system/pisystemmonitor.cpp
index 9051949c..09ffcc0f 100755
--- a/src_main/system/pisystemmonitor.cpp
+++ b/src_main/system/pisystemmonitor.cpp
@@ -395,7 +395,7 @@ void PISystemMonitor::gatherThread(llong id) {
 	PIStringList sl = str.split(" ");
 	if (sl.size_s() < 14) return;
 	//piCout << sl[0] << sl[12] << sl[13];
-	ts.work_time = ct - ts.created.toSystemTime();
+	//ts.work_time = ct - ts.created.toSystemTime();
 	ts.user_time   = PISystemTime::fromMilliseconds(sl[12].toInt() * 10.);
 	ts.kernel_time = PISystemTime::fromMilliseconds(sl[13].toInt() * 10.);
 #  else