if (!tab->compression_done && mem_size > 0)
{
- buf = g_strdup_printf("%.1f%%", (float)tab->byte_size / mem_size * 100.0);
+ buf = g_strdup_printf("%.1f%%", (double)tab->byte_size / mem_size * 100.0);
gtk_label_set_text(GTK_LABEL(tab->label_compression), buf);
g_free(buf);