diff --git a/Tween.h b/Tween.h
index 9c15970..54b4fd1 100644
--- a/Tween.h
+++ b/Tween.h
@@ -50,7 +50,6 @@ class Tween {
 private:
   static inline Tween* head = nullptr;
   static inline Tween* last = nullptr;
-  static inline uint32_t frameRateTimer;
   Tween* next;
 
   TweenListener* listener = nullptr;
@@ -58,6 +57,7 @@ private:
 public:
   Tween(uint16_t fps = 30) {
     setFps(fps);
+    frameRateTimer = millis();
     if (Tween::head == nullptr) {
       Tween::head = this;
     }
@@ -68,9 +68,10 @@ public:
   }
 
   static void tick() {
+    uint32_t now = millis();
     Tween* current = Tween::head;
     while (current != nullptr) {
-      current->update();
+      current->update(now);
       current = current->next;
     }
   }
@@ -84,6 +85,7 @@ private:
   uint16_t frameTime;
   float dt;
   uint32_t oldMillis;
+  uint32_t frameRateTimer;
 
   float from;
   float to;
@@ -102,9 +104,8 @@ public:
     oldMillis = loopStartTime;
   }
 
-  void update() {
-    if (millis() - frameRateTimer > frameTime) {
-        uint32_t now = millis();
+  void update(uint32_t now) {
+    if (now - frameRateTimer > frameTime) {
         dt = (now - oldMillis) / 1000.0;
         oldMillis = now;
 
@@ -130,7 +131,7 @@ public:
 
         if (listener != nullptr) listener->onTweenUpdate(*this);
 
-        frameRateTimer = millis();
+        frameRateTimer = now;
     }
   }
 
@@ -147,7 +148,9 @@ public:
     duration = durationMs / 1000.0f;
     progress = 0;
     current = from;
-    oldMillis = millis();
+    uint32_t now = millis();
+    oldMillis = now;
+    frameRateTimer = now;
     isPlayingF = true;
     triggerLastTick = false;
   }