diff --git a/arithmetization/src/main/java/net/consensys/linea/zktracer/module/hub/Hub.java b/arithmetization/src/main/java/net/consensys/linea/zktracer/module/hub/Hub.java
index 93ec4cdaaf..a67ffae2d6 100644
--- a/arithmetization/src/main/java/net/consensys/linea/zktracer/module/hub/Hub.java
+++ b/arithmetization/src/main/java/net/consensys/linea/zktracer/module/hub/Hub.java
@@ -869,7 +869,7 @@ public final MessageFrame messageFrame() {
   private void handleStack(MessageFrame frame) {
     this.currentFrame()
         .stack()
-        .processInstruction(this, frame, MULTIPLIER___STACK_HEIGHT * stamp());
+        .processInstruction(this, frame, MULTIPLIER___STACK_HEIGHT * (stamp() + 1));
   }
 
   void triggerModules(MessageFrame frame) {