diff --git a/src/de/deadlocker8/budgetmaster/logic/chartGenerators/CategoriesChartGenerator.java b/src/de/deadlocker8/budgetmaster/logic/chartGenerators/CategoriesChartGenerator.java
index 0fb5ec4c28d09ac21edf65812276d82798fb71c2..1b157ee80012bef1c0e6f18c4257b19a3cef96ff 100644
--- a/src/de/deadlocker8/budgetmaster/logic/chartGenerators/CategoriesChartGenerator.java
+++ b/src/de/deadlocker8/budgetmaster/logic/chartGenerators/CategoriesChartGenerator.java
@@ -70,9 +70,15 @@ public class CategoriesChartGenerator
 			double percentage = value / total;
 
 			currentPart.prefWidthProperty().bind(chart.widthProperty().multiply(percentage));
-
+			
+			String categoryName = currentItem.getName();
+			if(categoryName.equals("NONE"))
+			{
+				categoryName = "Keine Kategorie";
+			}
+			
 			Tooltip tooltip = new Tooltip();
-			tooltip.setText(currentItem.getName() + "\n" + Helpers.NUMBER_FORMAT.format(percentage*100) + " %\n" + Helpers.getCurrencyString(value, currency));//
+			tooltip.setText(categoryName + "\n" + Helpers.NUMBER_FORMAT.format(percentage*100) + " %\n" + Helpers.getCurrencyString(value, currency));//
 			currentPart.setTooltip(tooltip);
 		}
 
diff --git a/src/de/deadlocker8/budgetmaster/logic/chartGenerators/MonthChartGenerator.java b/src/de/deadlocker8/budgetmaster/logic/chartGenerators/MonthChartGenerator.java
index f4715f86cb7dbdf7c7916886320845cbba259030..dd2a0cdef61cb1534aac433d02ffcb4a3623718a 100644
--- a/src/de/deadlocker8/budgetmaster/logic/chartGenerators/MonthChartGenerator.java
+++ b/src/de/deadlocker8/budgetmaster/logic/chartGenerators/MonthChartGenerator.java
@@ -110,8 +110,14 @@ public class MonthChartGenerator
 			currentPart.setMinHeight(0);
 			currentPart.prefHeightProperty().bind(chart.heightProperty().multiply(percentage));	
 
+			String categoryName = currentItem.getName();
+			if(categoryName.equals("NONE"))
+			{
+				categoryName = "Keine Kategorie";
+			}
+			
 			Tooltip tooltip = new Tooltip();
-			tooltip.setText(currentItem.getName() + "\n"+ Helpers.NUMBER_FORMAT.format(percentage * 100) + " %\n" + Helpers.NUMBER_FORMAT.format(value).replace(".", ",") + currency);//
+			tooltip.setText(categoryName + "\n"+ Helpers.NUMBER_FORMAT.format(percentage * 100) + " %\n" + Helpers.NUMBER_FORMAT.format(value).replace(".", ",") + currency);//
 			currentPart.setTooltip(tooltip);
 		}