diff --git a/src/declarations/prototypes.d.ts b/src/declarations/prototypes.d.ts
index b9dc5da62..6bd693224 100644
--- a/src/declarations/prototypes.d.ts
+++ b/src/declarations/prototypes.d.ts
@@ -7,7 +7,7 @@ interface Creep {
 	inRampart: boolean;
 	approxMoveSpeed: number;
 	bodypartCounts: { [bodypart in BodyPartConstant]: number };
-	isHuman: true;
+	isPlayer: true;
 }
 
 interface PowerCreep {
diff --git a/src/prototypes/Room.ts b/src/prototypes/Room.ts
index 8c4342a40..9523cc688 100644
--- a/src/prototypes/Room.ts
+++ b/src/prototypes/Room.ts
@@ -114,7 +114,7 @@ Object.defineProperty(Room.prototype, 'sourceKeepers', {
 Object.defineProperty(Room.prototype, 'playerHostiles', {
 	get() {
 		if (!this._playerHostiles) {
-			this._playerHostiles = _.filter(this.hostiles, (creep: Creep) => creep.isHuman);
+			this._playerHostiles = _.filter(this.hostiles, (creep: Creep) => creep.isPlayer);
 		}
 		return this._playerHostiles;
 	},