diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java
index 3eaae7c..d366626 100644
--- a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java
+++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Axel.java
@@ -20,7 +20,7 @@ public class Axel {
 		cols=Integer.parseInt(kb.nextLine());
 		Spreadsheet spr=new Spreadsheet(rows,cols);
 		//spr.put("A3", "3");
-		spr.put("A2", "2");
+		//spr.put("A2", "2");
 		spr.put("A1","=19+4");
 		spr.put("B9", "=41+A2");
 		spr.put("J5", "=7*6");
diff --git a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
index 847bed2..121d67d 100644
--- a/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
+++ b/Axel/src/de/hs_mannheim/informatik/spreadsheet/Spreadsheet.java
@@ -264,6 +264,8 @@ public class Spreadsheet {
 		while (m.find()) {        // m.find() must always be used before m.group()
 			String s = m.group();
 			if(!s.isEmpty()) {
+				if((int)s.charAt(0)>=(int)'A'&&(int)s.charAt(0)<=(int)'Z' && cells[(Integer.parseInt(s.substring(1)))-1][(int)s.charAt(0)-(int)'A'].isEmpty())
+					continue;
 				if(first && (int)s.charAt(0)>=(int)'A'&&(int)s.charAt(0)<=(int)'Z') {
 					res=Integer.parseInt(cells[(Integer.parseInt(s.substring(1)))-1][(int)s.charAt(0)-(int)-'A'].getValue());
 					first=false;