diff --git a/package-lock.json b/package-lock.json
index 880c744..50ff07c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -23,7 +23,7 @@
         "ansi-colors": "^4.1.3",
         "better-sqlite3": "^11.1.2",
         "chunk-text": "^2.0.1",
-        "cloudstorm": "^0.11.2",
+        "cloudstorm": "^0.11.6",
         "discord-api-types": "^0.37.119",
         "domino": "^2.1.6",
         "enquirer": "^2.4.1",
@@ -1414,13 +1414,25 @@
       }
     },
     "node_modules/cloudstorm": {
-      "version": "0.11.4",
-      "resolved": "https://registry.npmjs.org/cloudstorm/-/cloudstorm-0.11.4.tgz",
-      "integrity": "sha512-fk0tAyZmUBWrxELyXaKh19s1RJucmhmvTMfB/LrvdRHdUvc20VkD7qCrFaQHSQ/+kzwhSHVY43zNAjtz93pH9A==",
+      "version": "0.11.6",
+      "resolved": "https://registry.npmjs.org/cloudstorm/-/cloudstorm-0.11.6.tgz",
+      "integrity": "sha512-U3uWNwlE1LiRf1sDHAENb7oR9odosXMArRyX5bX+sG4c75nSqzbQm4wtczw93g9suFXsXu6ekuyHFLpoWMnM+g==",
       "license": "MIT",
       "dependencies": {
         "discord-api-types": "^0.37.119",
-        "snowtransfer": "^0.12.0"
+        "snowtransfer": "^0.13.1"
+      },
+      "engines": {
+        "node": ">=16.15.0"
+      }
+    },
+    "node_modules/cloudstorm/node_modules/snowtransfer": {
+      "version": "0.13.1",
+      "resolved": "https://registry.npmjs.org/snowtransfer/-/snowtransfer-0.13.1.tgz",
+      "integrity": "sha512-EMrvqCk0JVcpJILTV9JEvUi3VyC5kohcza9d9l034B+cXwLbOWKFhzKULBPe/VqTdx+aqFpdYCdb1/HDrRiZ1Q==",
+      "license": "MIT",
+      "dependencies": {
+        "discord-api-types": "^0.37.119"
       },
       "engines": {
         "node": ">=16.15.0"
diff --git a/package.json b/package.json
index 8d06d9a..7092877 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "ansi-colors": "^4.1.3",
     "better-sqlite3": "^11.1.2",
     "chunk-text": "^2.0.1",
-    "cloudstorm": "^0.11.2",
+    "cloudstorm": "^0.11.6",
     "discord-api-types": "^0.37.119",
     "domino": "^2.1.6",
     "enquirer": "^2.4.1",
diff --git a/src/d2m/actions/register-user.js b/src/d2m/actions/register-user.js
index 2765909..d231e0f 100644
--- a/src/d2m/actions/register-user.js
+++ b/src/d2m/actions/register-user.js
@@ -194,10 +194,13 @@ async function syncUser(user, member, channel, guild, roomID) {
 	const currentHash = _hashProfileContent(content, powerLevel)
 	const existingHash = select("sim_member", "hashed_profile_content", {room_id: roomID, mxid}).safeIntegers().pluck().get()
 	// only do the actual sync if the hash has changed since we last looked
-	if (existingHash !== currentHash) {
+	const hashHasChanged = existingHash !== currentHash
+	// however, do not overwrite pre-existing data if we already have data and `member` is not accessible, because this would replace good data with bad data
+	const wouldOverwritePreExisting = existingHash && !member
+	if (hashHasChanged && !wouldOverwritePreExisting) {
 		// Update room member state
 		await api.sendState(roomID, "m.room.member", mxid, content, mxid)
-		// Update power levels
+		// Update power levels (only if we can actually access the member roles)
 		const powerLevelsStateContent = await api.getStateEvent(roomID, "m.room.power_levels", "")
 		const oldPowerLevel = powerLevelsStateContent.users?.[mxid] || 0
 		mixin(powerLevelsStateContent, {users: {[mxid]: powerLevel}})
diff --git a/src/matrix/file.js b/src/matrix/file.js
index 002f34f..2070a56 100644
--- a/src/matrix/file.js
+++ b/src/matrix/file.js
@@ -109,18 +109,17 @@ function emoji(emojiID, animated) {
 }
 
 const stickerFormat = new Map([
-	[1, {label: "PNG", ext: "png", mime: "image/png"}],
-	[2, {label: "APNG", ext: "png", mime: "image/apng"}],
-	[3, {label: "LOTTIE", ext: "json", mime: "lottie"}],
-	[4, {label: "GIF", ext: "gif", mime: "image/gif"}]
+	[1, {label: "PNG", ext: "png", mime: "image/png", endpoint: "/stickers/"}],
+	[2, {label: "APNG", ext: "png", mime: "image/apng", endpoint: "/stickers/"}],
+	[3, {label: "LOTTIE", ext: "json", mime: "lottie", endpoint: "/stickers/"}],
+	[4, {label: "GIF", ext: "gif", mime: "image/gif", endpoint: "https://media.discordapp.net/stickers/"}]
 ])
 
 /** @param {{id: string, format_type: number}} sticker */
 function sticker(sticker) {
 	const format = stickerFormat.get(sticker.format_type)
 	if (!format) throw new Error(`No such format ${sticker.format_type} for sticker ${JSON.stringify(sticker)}`)
-	const ext = format.ext
-	return `/stickers/${sticker.id}.${ext}`
+	return `${format.endpoint}${sticker.id}.${format.ext}`
 }
 
 module.exports.DISCORD_IMAGES_BASE = DISCORD_IMAGES_BASE