diff --git a/src/barchart/bar.cpp b/src/barchart/bar.cpp
index 374d5a6..107806d 100644
--- a/src/barchart/bar.cpp
+++ b/src/barchart/bar.cpp
@@ -1,4 +1,4 @@
-#include "bar.h"
+#include "bar_p.h"
 #include <QDebug>
 #include <QPainter>
 
diff --git a/src/barchart/bar.h b/src/barchart/bar_p.h
similarity index 100%
rename from src/barchart/bar.h
rename to src/barchart/bar_p.h
diff --git a/src/barchart/bargroup.cpp b/src/barchart/bargroup.cpp
index dae8f8c..7b967aa 100644
--- a/src/barchart/bargroup.cpp
+++ b/src/barchart/bargroup.cpp
@@ -1,5 +1,5 @@
 #include "bargroup.h"
-#include "bar.h"
+#include "bar_p.h"
 #include "barlabel_p.h"
 #include <QDebug>
 
diff --git a/src/barchart/bargroup.h b/src/barchart/bargroup.h
index a30e9b7..31b79ed 100644
--- a/src/barchart/bargroup.h
+++ b/src/barchart/bargroup.h
@@ -2,7 +2,7 @@
 #define QBARGROUP_H
 
 #include "chartitem_p.h"
-#include "bar.h"
+#include "bar_p.h"
 #include "barchartseries.h"
 #include <QGraphicsItem>
 
diff --git a/src/barchart/percentbargroup.cpp b/src/barchart/percentbargroup.cpp
index a8739d6..fd89f97 100644
--- a/src/barchart/percentbargroup.cpp
+++ b/src/barchart/percentbargroup.cpp
@@ -1,5 +1,5 @@
 #include "percentbargroup.h"
-#include "bar.h"
+#include "bar_p.h"
 #include "barlabel_p.h"
 #include <QDebug>
 
diff --git a/src/barchart/percentbargroup.h b/src/barchart/percentbargroup.h
index 6427d34..1db1250 100644
--- a/src/barchart/percentbargroup.h
+++ b/src/barchart/percentbargroup.h
@@ -2,7 +2,7 @@
 #define PERCENTBARGROUP_H
 
 #include "chartitem_p.h"
-#include "bar.h"
+#include "bar_p.h"
 #include "percentbarchartseries.h"
 #include <QGraphicsItem>
 
diff --git a/src/barchart/stackedbargroup.cpp b/src/barchart/stackedbargroup.cpp
index c01996a..3acd52b 100644
--- a/src/barchart/stackedbargroup.cpp
+++ b/src/barchart/stackedbargroup.cpp
@@ -1,5 +1,5 @@
 #include "stackedbargroup.h"
-#include "bar.h"
+#include "bar_p.h"
 #include "barlabel_p.h"
 #include <QDebug>
 
diff --git a/src/barchart/stackedbargroup.h b/src/barchart/stackedbargroup.h
index c299698..82aff55 100644
--- a/src/barchart/stackedbargroup.h
+++ b/src/barchart/stackedbargroup.h
@@ -4,7 +4,7 @@
 #include "charttheme_p.h"
 #include "chartitem_p.h"
 #include "barlabel_p.h"
-#include "bar.h"
+#include "bar_p.h"
 #include "stackedbarchartseries.h"
 #include <QGraphicsItem>
 
diff --git a/src/src.pro b/src/src.pro
index 4f03d38..f6e5061 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -37,6 +37,7 @@ SOURCES += \
 PRIVATE_HEADERS += \ 
     xylinechart/xylinechartitem_p.h \
     barchart/barlabel_p.h \
+    barchart/bar_p.h \
     plotdomain_p.h \
     qscatterseries_p.h \
     qpieseries_p.h \