Numeric values not displayed in sankey network tooltip

[NaveenMathewEvive]

In the following code Energy is a data frame with 'value' column of type numeric:

URL <- paste0(
        "https://cdn.rawgit.com/christophergandrud/networkD3/",
        "master/JSONdata/energy.json")
Energy <- jsonlite::fromJSON(URL)
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
             Target = "target", Value = "value", NodeID = "name",
             units = "TWh", fontSize = 12, nodeWidth = 30)
Energy$links$value <- as.character(Energy$links$value)
sankeyNetwork(Links = Energy$links, Nodes = Energy$nodes, Source = "source",
             Target = "target", Value = "value", NodeID = "name",
             units = "TWh", fontSize = 12, nodeWidth = 30)

However the tooltip rounds the digit down to integer. This is especially non-informative when values are of 0.abc form, which will be shown as 0.

Chris's suggestion of converting value to character did not work.