diff --git a/vcf2fritzbox.go b/vcf2fritzbox.go
index 6454eb5..2df9e88 100644
--- a/vcf2fritzbox.go
+++ b/vcf2fritzbox.go
@@ -31,9 +31,9 @@ func vCardValue(line string) string {
 		return ""
 	}
 	if end < start {
-		end = len(line) - 1
+		end = len(line)
 	}
-	return line[start+1 : end+1]
+	return line[start+1 : end]
 }
 
 type Contact struct {