diff --git a/src/RoomInspector.ts b/src/RoomInspector.ts
index 5d652a2..56f0ddc 100644
--- a/src/RoomInspector.ts
+++ b/src/RoomInspector.ts
@@ -9,25 +9,19 @@ import {
 
 class RoomInspector {
     public static inspectState(room: Room, state: GameState): GameState {
-        if (!this.stateWasInitialized(state)) {
-            state = this.initializeState(room, state);
+        if (!state.sourcesStates) {
+            this.initializeState(room, state);
         }
         return state;
     }
 
-    private static stateWasInitialized(state: GameState): boolean {
-        return !!state.sourcesStates;
-    }
-
-    private static initializeState(room: Room, state: GameState): GameState {
+    private static initializeState(room: Room, state: GameState): void {
         state.sourcesStates = {};
         state.maxHarvesters = 0;
 
         for (const source of room.find(FIND_SOURCES)) {
             this.configureSourceState(source, state);
         }
-
-        return state;
     }
 
     private static configureSourceState(