diff --git a/src/gui/widget/stringinput.h b/src/gui/widget/stringinput.h
index b0b64fe8e..47d5d692a 100644
--- a/src/gui/widget/stringinput.h
+++ b/src/gui/widget/stringinput.h
@@ -101,7 +101,7 @@ class CStringInputSMS : public CStringInput
 {
 		bool	capsMode;
 		int 	arraySizes[10];
-		char	Chars[10][9];					// maximal 9 character in one CharList entry!
+		char	Chars[10][10];					// maximal 10 character in one CharList entry!
 
 		int keyCounter;
 		int last_digit;