diff --git a/src/Learning/KWData/KWTime.h b/src/Learning/KWData/KWTime.h
index b3f2b9d71..a227c5356 100644
--- a/src/Learning/KWData/KWTime.h
+++ b/src/Learning/KWData/KWTime.h
@@ -8,7 +8,6 @@ class Time;
 class KWTimeFormat;
 
 #include "Object.h"
-#include "KWDateTime.h"
 #include "Vector.h"
 
 ////////////////////////////////////////////////////////////////////////////////////
diff --git a/src/Learning/MODL/MODL.cpp b/src/Learning/MODL/MODL.cpp
index 6e62c46cb..c6c48dac7 100644
--- a/src/Learning/MODL/MODL.cpp
+++ b/src/Learning/MODL/MODL.cpp
@@ -25,6 +25,9 @@ void SetWindowsDebugDir(const ALString& sDatasetFamily, const ALString& sDataset
 #endif
 }
 
+//DDD
+#include "KWDateTime.h"
+
 int main(int argc, char** argv)
 {
 	MDKhiopsLearningProject learningProject;