diff --git a/src/app-utils/gnc-ui-util.c b/src/app-utils/gnc-ui-util.c
index e1851c3899..1ebc5aa7ca 100644
--- a/src/app-utils/gnc-ui-util.c
+++ b/src/app-utils/gnc-ui-util.c
@@ -756,8 +756,8 @@ gnc_account_get_full_name (const Account *account)
   if (!account) return NULL;
 
   name = xaccAccountGetFullName (account);
-  strncpy( result, name, sizeof(result)-1 );
-  result[sizeof(result)] = '\0';
+  strncpy( result, name, sizeof(result)-2 );
+  result[sizeof(result)-1] = '\0';
 
   return result;
 }