diff --git a/templates/webclient/files.html b/templates/webclient/files.html
index a84deebfc..8382fc6bf 100644
--- a/templates/webclient/files.html
+++ b/templates/webclient/files.html
@@ -260,7 +260,7 @@
"nut", "styl", "swift", "text", "ltx", "tex", "v", "sv", "svh", "tcl", "textile", "toml", "1", "2", "3", "4",
"5", "6", "7", "8", "9", "ttcn", "ttcn3", "ttcnpp", "cfg", "ttl", "ts", "tsx", "webidl", "vb", "vbs",
"vtl", "vhd", "vhdl", "vue", "xml", "xsl", "xsd", "svg", "xy", "xquery", "ys", "yaml", "yml", "z80",
- "mscgen", "mscin", "msc", "xu", "msgenny", "wat", "wast"];
+ "mscgen", "mscin", "msc", "xu", "msgenny", "wat", "wast", "env"];
const supportedEditFilenames = ["readme", "dockerfile", "pkgbuild"]
//{{- end}}
function keepAlive() {
@@ -687,7 +687,6 @@
case "webp":
case "bmp":
case "svg":
- case "ico":
let desc = escapeHTML(filename).replace(/"/g, '"');
previewDiv = `