diff --git a/src/autocomplete/RoomProvider.tsx b/src/autocomplete/RoomProvider.tsx
index ad55b19101..f784a57821 100644
--- a/src/autocomplete/RoomProvider.tsx
+++ b/src/autocomplete/RoomProvider.tsx
@@ -32,13 +32,9 @@ import SettingsStore from "../settings/SettingsStore";
 
 const ROOM_REGEX = /\B#\S*/g;
 
-function score(query: string, space: string) {
-    const index = space.indexOf(query);
-    if (index === -1) {
-        return Infinity;
-    } else {
-        return index;
-    }
+// Prefer canonical aliases over non-canonical ones
+function canonicalScore(displayedAlias: string, room: Room): number {
+    return displayedAlias === room.getCanonicalAlias() ? 0 : 1;
 }
 
 function matcherObject(room: Room, displayedAlias: string, matchName = "") {
@@ -106,7 +102,7 @@ export default class RoomProvider extends AutocompleteProvider {
             const matchedString = command[0];
             completions = this.matcher.match(matchedString, limit);
             completions = sortBy(completions, [
-                (c) => score(matchedString, c.displayedAlias),
+                (c) => canonicalScore(c.displayedAlias, c.room),
                 (c) => c.displayedAlias.length,
             ]);
             completions = uniqBy(completions, (match) => match.room);