diff --git a/.gitignore b/.gitignore
index 9a310ad..ebfcc07 100644
--- a/.gitignore
+++ b/.gitignore
@@ -3,3 +3,4 @@ config.js
 registration.yaml
 coverage
 db/ooye.db*
+test/res/butterfly*
diff --git a/m2d/converters/emoji-sheet.test.js b/m2d/converters/emoji-sheet.test.js
index de3a2ab..026c53f 100644
--- a/m2d/converters/emoji-sheet.test.js
+++ b/m2d/converters/emoji-sheet.test.js
@@ -1,7 +1,7 @@
 const assert = require("assert").strict
 const {test} = require("supertape")
 const {_convertImageStream} = require("./emoji-sheet")
-const fetch = require("node-fetch")
+const fs = require("fs")
 const {Transform} = require("stream").Transform
 
 /* c8 ignore next 7 */
@@ -25,18 +25,16 @@ class Meter extends Transform {
 
 /**
  * @param {import("supertape").Test} t
- * @param {string} url
+ * @param {string} path
  * @param {number} totalSize
  */
-async function runSingleTest(t, url, totalSize) {
-	const abortController = new AbortController()
-	const res = await fetch("https://ezgif.com/images/format-demo/butterfly.png", {agent: false, signal: abortController.signal})
+async function runSingleTest(t, path, totalSize) {
+	const file = fs.createReadStream(path)
 	const meter = new Meter()
-	const p = res.body.pipe(meter)
+	const p = file.pipe(meter)
 	const result = await _convertImageStream(p, () => {
-		abortController.abort()
-		res.body.pause()
-		res.body.emit("end")
+		file.pause()
+		file.emit("end")
 	})
 	t.equal(result.subarray(1, 4).toString("ascii"), "PNG", `result was not a PNG file: ${result.toString("base64")}`)
 	/* c8 ignore next 5 */
@@ -48,9 +46,9 @@ async function runSingleTest(t, url, totalSize) {
 }
 
 slow()("emoji-sheet: only partial file is read for APNG", async t => {
-	await runSingleTest(t, "https://ezgif.com/images/format-demo/butterfly.png", 2438998)
+	await runSingleTest(t, "test/res/butterfly.png", 2438998)
 })
 
 slow()("emoji-sheet: only partial file is read for GIF", async t => {
-	await runSingleTest(t, "https://ezgif.com/images/format-demo/butterfly.gif", 781223)
+	await runSingleTest(t, "test/res/butterfly.gif", 781223)
 })
diff --git a/m2d/converters/event-to-message.js b/m2d/converters/event-to-message.js
index 8710531..4ffe26e 100644
--- a/m2d/converters/event-to-message.js
+++ b/m2d/converters/event-to-message.js
@@ -209,14 +209,19 @@ function convertEmoji(mxcUrl, nameForGuess, allowSpriteSheetIndicator, allowLink
 	// Get the known emoji from the database.
 	let row
 	if (mxcUrl) row = select("emoji", ["emoji_id", "name", "animated"], {mxc_url: mxcUrl}).get()
+	// Now we have to search all servers to see if we're able to send this emoji.
+	if (row) {
+		const found = [...discord.guilds.values()].find(g => g.emojis.find(e => e.id === row.id))
+		if (!found) row = null
+	}
+	// Or, if we don't have an emoji right now, we search for the name instead.
 	if (!row && nameForGuess) {
-		// We don't know the emoji, but we could guess a suitable emoji based on the name
 		const nameForGuessLower = nameForGuess.toLowerCase()
 		for (const guild of discord.guilds.values()) {
 			/** @type {{name: string, id: string, animated: number}[]} */
 			// @ts-ignore
 			const emojis = guild.emojis
-			const found = emojis.find(e => e.name?.toLowerCase() === nameForGuessLower)
+			const found = emojis.find(e => e.id === row?.id || e.name?.toLowerCase() === nameForGuessLower)
 			if (found) {
 				row = {
 					animated: found.animated,
@@ -643,19 +648,6 @@ async function eventToMessage(event, guild, di) {
 			// input = input.replace(/ /g, " ")
 			// There is also a corresponding test to uncomment, named "event2message: whitespace is retained"
 
-			// SPRITE SHEET EMOJIS FEATURE: Emojis at the end of the message that we don't know about will be reuploaded as a sprite sheet.
-			// First we need to determine which emojis are at the end.
-			endOfMessageEmojis = []
-			let match
-			let last = input.length
-			while ((match = input.slice(0, last).match(/<img [^>]*>\s*$/))) {
-				if (!match[0].includes("data-mx-emoticon")) break
-				const mxcUrl = match[0].match(/\bsrc="(mxc:\/\/[^"]+)"/)
-				if (mxcUrl) endOfMessageEmojis.unshift(mxcUrl[1])
-				assert(typeof match.index === "number", "Your JavaScript implementation does not comply with TC39: https://tc39.es/ecma262/multipage/text-processing.html#sec-regexpbuiltinexec")
-				last = match.index
-			}
-
 			// Handling written @mentions: we need to look for candidate Discord members to join to the room
 			// This shouldn't apply to code blocks, links, or inside attributes. So editing the HTML tree instead of regular expressions is a sensible choice here.
 			// We're using the domino parser because Turndown uses the same and can reuse this tree.
@@ -701,6 +693,19 @@ async function eventToMessage(event, guild, di) {
 			}
 			await forEachNode(root)
 
+			// SPRITE SHEET EMOJIS FEATURE: Emojis at the end of the message that we don't know about will be reuploaded as a sprite sheet.
+			// First we need to determine which emojis are at the end.
+			endOfMessageEmojis = []
+			let match
+			let last = input.length
+			while ((match = input.slice(0, last).match(/<img [^>]*>\s*$/))) {
+				if (!match[0].includes("data-mx-emoticon")) break
+				const mxcUrl = match[0].match(/\bsrc="(mxc:\/\/[^"]+)"/)
+				if (mxcUrl) endOfMessageEmojis.unshift(mxcUrl[1])
+				assert(typeof match.index === "number", "Your JavaScript implementation does not comply with TC39: https://tc39.es/ecma262/multipage/text-processing.html#sec-regexpbuiltinexec")
+				last = match.index
+			}
+
 			// @ts-ignore bad type from turndown
 			content = turndownService.turndown(root)
 
diff --git a/package.json b/package.json
index 658fa3a..3ecb7a8 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
   "scripts": {
     "addbot": "node addbot.js",
     "test": "cross-env FORCE_COLOR=true supertape --no-check-assertions-count --format tap test/test.js | tap-dot",
-    "test-slow": "cross-env FORCE_COLOR=true supertape --no-check-assertions-count --format tap test/test.js -- --slow | tap-dot",
+    "test-slow": "cross-env FORCE_COLOR=true SUPERTAPE_TIMEOUT=6000 supertape --no-check-assertions-count --format tap test/test.js -- --slow | tap-dot",
     "cover": "c8 --skip-full -x db/migrations -x matrix/file.js -x matrix/api.js -x matrix/mreq.js -r html -r text supertape --no-check-assertions-count --format fail test/test.js -- --slow"
   }
 }
diff --git a/test/test.js b/test/test.js
index 263ccc7..3e5ba72 100644
--- a/test/test.js
+++ b/test/test.js
@@ -7,6 +7,9 @@ const migrate = require("../db/migrate")
 const HeatSync = require("heatsync")
 const {test} = require("supertape")
 const data = require("./data")
+/** @type {import("node-fetch").default} */
+// @ts-ignore
+const fetch = require("node-fetch")
 
 const config = require("../config")
 const passthrough = require("../passthrough")
@@ -60,6 +63,27 @@ file._actuallyUploadDiscordFileToMxc = function(url, res) { throw new Error(`Not
 	})
 
 	db.exec(fs.readFileSync(join(__dirname, "ooye-test-data.sql"), "utf8"))
+
+	/* c8 ignore start - maybe download some more test files in slow mode */
+	if (process.argv.includes("--slow")) {
+		test("test files: download", async t => {
+			function download(url, to) {
+				return new Promise(async resolve => {
+					if (fs.existsSync(to)) return resolve(null)
+					const res = await fetch(url)
+					res.body.pipe(fs.createWriteStream(to, {encoding: "binary"}))
+					res.body.once("finish", resolve)
+				})
+			}
+			await Promise.all([
+				download("https://ezgif.com/images/format-demo/butterfly.png", "test/res/butterfly.png"),
+				download("https://ezgif.com/images/format-demo/butterfly.gif", "test/res/butterfly.gif")
+			])
+			t.pass("downloaded")
+		})
+	}
+	/* c8 ignore end */
+
 	require("../db/orm.test")
 	require("../discord/utils.test")
 	require("../matrix/kstate.test")