diff --git a/prover/zkevm/prover/statemanager/mimccodehash/assign.go b/prover/zkevm/prover/statemanager/mimccodehash/assign.go
index e39b857c5a..e111fcc5fa 100644
--- a/prover/zkevm/prover/statemanager/mimccodehash/assign.go
+++ b/prover/zkevm/prover/statemanager/mimccodehash/assign.go
@@ -4,6 +4,7 @@ import (
 	"github.com/consensys/linea-monorepo/prover/crypto/mimc"
 	"github.com/consensys/linea-monorepo/prover/maths/common/smartvectors"
 	"github.com/consensys/linea-monorepo/prover/maths/field"
+	"github.com/consensys/linea-monorepo/prover/protocol/distributed/pragmas"
 	"github.com/consensys/linea-monorepo/prover/protocol/wizard"
 	"github.com/consensys/linea-monorepo/prover/utils"
 )
@@ -218,6 +219,7 @@ func (mh *Module) Assign(run *wizard.ProverRuntime) {
 	}
 
 	// Assign the columns of the mimc code hash module
+	pragmas.MarkRightPadded(mh.IsActive)
 	run.AssignColumn(mh.IsActive.GetColID(), smartvectors.RightZeroPadded(builder.isActive, mh.Inputs.Size))
 	run.AssignColumn(mh.CFI.GetColID(), smartvectors.RightZeroPadded(builder.cfi, mh.Inputs.Size))
 	run.AssignColumn(mh.Limb.GetColID(), smartvectors.RightZeroPadded(builder.limb, mh.Inputs.Size))