diff --git a/dist/game-server.js b/dist/game-server.js
index 100fe1d..525071d 100644
--- a/dist/game-server.js
+++ b/dist/game-server.js
@@ -191,7 +191,7 @@ class ServerHistory {
             dateHour: dh,
             playersNum: info.playersNum
         });
-        d.setHours(d.getHours() - graphHistoryHours);
+        d.setHours(d.getHours() - graphHistoryHours - 1);
         const minDh = this.yyyymmddhh(d);
         db.data.population[this.id] = db.data.population[this.id].filter(i => i.dateHour >= minDh);
         this._stats = [];
diff --git a/src/game-server.ts b/src/game-server.ts
index aef0bf1..2991dec 100644
--- a/src/game-server.ts
+++ b/src/game-server.ts
@@ -248,7 +248,7 @@ class ServerHistory {
             playersNum: info.playersNum
         });
 
-        d.setHours(d.getHours() - graphHistoryHours);
+        d.setHours(d.getHours() - graphHistoryHours - 1);
         const minDh = this.yyyymmddhh(d);
 
         db.data.population[this.id] = db.data.population[this.id].filter(i => i.dateHour >= minDh);