.f-fileupload-buttononly .x-form-text-field-body-toolbar {
    min-width: initial;
}
.x-ie11 .f-fileupload-buttononly .x-form-text-field-body-toolbar,
.x-ie10 .f-fileupload-buttononly .x-form-text-field-body-toolbar,
.x-ie9 .f-fileupload-buttononly .x-form-text-field-body-toolbar,
.x-ie8 .f-fileupload-buttononly .x-form-text-field-body-toolbar {
    min-width: inherit;
}