diff --git a/plugins/core/qCompass/ccCompass.cpp b/plugins/core/qCompass/ccCompass.cpp
index d9633051..56fe5829 100644
--- a/plugins/core/qCompass/ccCompass.cpp
+++ b/plugins/core/qCompass/ccCompass.cpp
@@ -20,6 +20,7 @@
 //Qt
 #include <QFileDialog>
 #include <QFileInfo>
+#include <QIntValidator>
 #include <qcheckbox.h>
 #include <ccPickingHub.h>
 #include <ccProgressDialog.h>
@@ -3054,4 +3055,4 @@ int ccCompass::writeObjectXML(ccHObject* object, QXmlStreamWriter* out)
 	out->writeEndElement();
 
 	return n;
-}
\ No newline at end of file
+}