diff --git a/src/qtviewer/ParseIfcFile.cpp b/src/qtviewer/ParseIfcFile.cpp
index a3ac0a2e26..8fe3e350a6 100644
--- a/src/qtviewer/ParseIfcFile.cpp
+++ b/src/qtviewer/ParseIfcFile.cpp
@@ -1,4 +1,5 @@
 #include "ParseIfcFile.h"
+#include "../ifcgeom/hybrid_kernel.h"
 
 #include "MessageLogger.h"
 #include "osg/Array"
diff --git a/src/qtviewer/ParseIfcFile.h b/src/qtviewer/ParseIfcFile.h
index 6e2b508e95..f3370f3c20 100644
--- a/src/qtviewer/ParseIfcFile.h
+++ b/src/qtviewer/ParseIfcFile.h
@@ -2,7 +2,6 @@
 #define PARSEIFCFILE_H
 
 #include "../ifcgeom/Iterator.h"
-#include "../ifcgeom/hybrid_kernel.h"
 #include "osg/Geometry"
 #include "osg/Material"
 #include "osg/MatrixTransform"