diff --git a/CHANGELOG.md b/CHANGELOG.md
index 30186efbba3..5db5a4b1977 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,13 @@
 # Lotus changelog
 
 # UNRELEASED
+
+- Correct erroneous sector qap calculation upon sector extension in lotus-miner cli. ([filecoin-project/lotus#12698](https://github.com/filecoin-project/lotus/pull/12720))
+
 - Improve eth filter performance for nodes serving many clients. ([filecoin-project/lotus#12603](https://github.com/filecoin-project/lotus/pull/12603))
 
+
+
 ## Improvements
 
 - The miner actor builtin `QAPowerForWeight` no longer accepts the unused "dealWeight" parameter, the function signature now only takes 3 arguments: sectorSize, sectorDuration, verifiedWeight. ([filecoin-project/lotus#12445](https://github.com/filecoin-project/lotus/pull/12445))
diff --git a/cmd/lotus-miner/sectors.go b/cmd/lotus-miner/sectors.go
index 2ee4e9bf4a5..fa23e5f268f 100644
--- a/cmd/lotus-miner/sectors.go
+++ b/cmd/lotus-miner/sectors.go
@@ -220,9 +220,11 @@ var sectorsListCmd = &cli.Command{
 		if err != nil {
 			return err
 		}
+		powerBaseEpochs := make(map[abi.SectorNumber]abi.ChainEpoch, len(sset))
 		commitedIDs := make(map[abi.SectorNumber]struct{}, len(sset))
 		for _, info := range sset {
 			commitedIDs[info.SectorNumber] = struct{}{}
+			powerBaseEpochs[info.SectorNumber] = info.PowerBaseEpoch
 		}
 
 		sort.Slice(list, func(i, j int) bool {
@@ -290,7 +292,8 @@ var sectorsListCmd = &cli.Command{
 			estimate := (st.Expiration-st.Activation <= 0) || sealing.IsUpgradeState(sealing.SectorState(st.State))
 			if !estimate {
 				rdw := big.Add(st.DealWeight, st.VerifiedDealWeight)
-				dw = float64(big.Div(rdw, big.NewInt(int64(st.Expiration-st.Activation))).Uint64())
+				powerBaseEpoch := powerBaseEpochs[st.SectorID]
+				dw = float64(big.Div(rdw, big.NewInt(int64(st.Expiration-powerBaseEpoch))).Uint64())
 				vp = float64(big.Div(big.Mul(st.VerifiedDealWeight, big.NewInt(verifiedPowerGainMul)), big.NewInt(int64(st.Expiration-st.Activation))).Uint64())
 			} else {
 				for _, piece := range st.Pieces {