diff --git a/EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/PieChart.java b/EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/PieChart.java
index bbe51a6..fcd10e1 100644
--- a/EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/PieChart.java
+++ b/EazeGraphLibrary/src/main/java/org/eazegraph/lib/charts/PieChart.java
@@ -957,7 +957,7 @@ protected void onGraphOverlayDraw(Canvas _Canvas) {
             if(!mUseCustomInnerValue) {
                 mInnerValueString = Utils.getFloatString(model.getValue(), mShowDecimal);
                 if (mInnerValueUnit != null && mInnerValueUnit.length() > 0) {
-                    mInnerValueString += " " + mInnerValueUnit;
+                    mInnerValueString += "" + mInnerValueUnit;
                 }
             }