diff --git a/libytest.so b/libytest.so
index 5a66247..cbbf909 100644
Binary files a/libytest.so and b/libytest.so differ
diff --git a/yfmock/src/fmock/fmock.c b/yfmock/src/fmock/fmock.c
index c63a248..f01bee3 100644
--- a/yfmock/src/fmock/fmock.c
+++ b/yfmock/src/fmock/fmock.c
@@ -234,6 +234,7 @@ __attribute__((destructor))
     while(tmp_list_fm){
       tmp_inf_mock = tmp_list_fm->info_mock;
       memset(reader,'=',w.ws_col);
+      reader[w.ws_col-1]='\0';
       char *caller="";
       if(tmp_inf_mock->str_caller) caller = extract_func_edited_TEST_from_exec_func_name(tmp_inf_mock->str_caller);
       size_t len_caller = strlen(caller);