diff --git a/src/gui/qt/chattools/chattools.h b/src/gui/qt/chattools/chattools.h
index a5391e88..6bf7990a 100644
--- a/src/gui/qt/chattools/chattools.h
+++ b/src/gui/qt/chattools/chattools.h
@@ -33,7 +33,9 @@
 
 #include <string>
 #include <QtCore>
+#if QT_VERSION >= 0x050000
 #include <QtWidgets>
+#endif
 #include <QtGui>
 #include <boost/shared_ptr.hpp>
 
diff --git a/src/pokerth.cpp b/src/pokerth.cpp
index f6bc013b..2f9981c1 100755
--- a/src/pokerth.cpp
+++ b/src/pokerth.cpp
@@ -34,7 +34,9 @@
 #include <ctime>
 #include <qapplication.h>
 
+#if QT_VERSION >= 0x050000
 #include <QtWidgets>
+#endif
 #include <QtGui>
 #include <QtCore>