diff --git a/backend/src/api/bitcoin/bitcoin.routes.ts b/backend/src/api/bitcoin/bitcoin.routes.ts
index 240fb07ce..105b0be14 100644
--- a/backend/src/api/bitcoin/bitcoin.routes.ts
+++ b/backend/src/api/bitcoin/bitcoin.routes.ts
@@ -251,7 +251,7 @@ class BitcoinRoutes {
 
   private async getTransaction(req: Request, res: Response) {
     try {
-      const transaction = await transactionUtils.$getTransactionExtended(req.params.txId, true);
+      const transaction = await transactionUtils.$getTransactionExtended(req.params.txId, true, false, false, true);
       res.json(transaction);
     } catch (e) {
       let statusCode = 500;
diff --git a/backend/src/api/bitcoin/esplora-api.interface.ts b/backend/src/api/bitcoin/esplora-api.interface.ts
index 55abe1d34..0a0960e46 100644
--- a/backend/src/api/bitcoin/esplora-api.interface.ts
+++ b/backend/src/api/bitcoin/esplora-api.interface.ts
@@ -6,6 +6,7 @@ export namespace IEsploraApi {
     size: number;
     weight: number;
     fee: number;
+    sigops?: number;
     vin: Vin[];
     vout: Vout[];
     status: Status;
diff --git a/backend/src/api/mempool.ts b/backend/src/api/mempool.ts
index 73260dc9e..f5e788f98 100644
--- a/backend/src/api/mempool.ts
+++ b/backend/src/api/mempool.ts
@@ -94,7 +94,7 @@ class Mempool {
       logger.debug(`Migrating ${Object.keys(this.mempoolCache).length} transactions from disk cache to Redis cache`);
     }
     for (const txid of Object.keys(this.mempoolCache)) {
-      if (!this.mempoolCache[txid].sigops || this.mempoolCache[txid].effectiveFeePerVsize == null) {
+      if (!this.mempoolCache[txid].adjustedVsize || this.mempoolCache[txid].sigops == null || this.mempoolCache[txid].effectiveFeePerVsize == null) {
         this.mempoolCache[txid] = transactionUtils.extendMempoolTransaction(this.mempoolCache[txid]);
       }
       if (this.mempoolCache[txid].order == null) {
diff --git a/backend/src/api/transaction-utils.ts b/backend/src/api/transaction-utils.ts
index ef4a34012..6ff1c10b7 100644
--- a/backend/src/api/transaction-utils.ts
+++ b/backend/src/api/transaction-utils.ts
@@ -116,7 +116,7 @@ class TransactionUtils {
   public extendMempoolTransaction(transaction: IEsploraApi.Transaction): MempoolTransactionExtended {
     const vsize = Math.ceil(transaction.weight / 4);
     const fractionalVsize = (transaction.weight / 4);
-    const sigops = !Common.isLiquid() ? this.countSigops(transaction) : 0;
+    let sigops = Common.isLiquid() ? 0 : (transaction.sigops != null ? transaction.sigops : this.countSigops(transaction));
     // https://github.com/bitcoin/bitcoin/blob/e9262ea32a6e1d364fb7974844fadc36f931f8c6/src/policy/policy.cpp#L295-L298
     const adjustedVsize = Math.max(fractionalVsize, sigops *  5); // adjusted vsize = Max(weight, sigops * bytes_per_sigop) / witness_scale_factor
     const feePerVbytes = (transaction.fee || 0) / fractionalVsize;
@@ -155,7 +155,7 @@ class TransactionUtils {
       sigops += 20 * (script.match(/OP_CHECKMULTISIG/g)?.length || 0);
     } else {
       // in redeem scripts and witnesses, worth N if preceded by OP_N, 20 otherwise
-      const matches = script.matchAll(/(?:OP_(\d+))? OP_CHECKMULTISIG/g);
+      const matches = script.matchAll(/(?:OP_(?:PUSHNUM_)?(\d+))? OP_CHECKMULTISIG/g);
       for (const match of matches) {
         const n = parseInt(match[1]);
         if (Number.isInteger(n)) {
@@ -189,6 +189,12 @@ class TransactionUtils {
               sigops += this.countScriptSigops(bitcoinjs.script.toASM(Buffer.from(input.witness[input.witness.length - 1], 'hex')), false, true);
             }
             break;
+
+          case input.prevout.scriptpubkey_type === 'p2sh':
+            if (input.inner_redeemscript_asm) {
+              sigops += this.countScriptSigops(input.inner_redeemscript_asm);
+            }
+            break;
         }
       }
     }
diff --git a/frontend/src/app/components/transaction/transaction.component.html b/frontend/src/app/components/transaction/transaction.component.html
index 006870864..f062662dc 100644
--- a/frontend/src/app/components/transaction/transaction.component.html
+++ b/frontend/src/app/components/transaction/transaction.component.html
@@ -292,9 +292,9 @@
                 <td i18n="transaction.vsize|Transaction Virtual Size">Virtual size</td>
                 <td [innerHTML]="'&lrm;' + (tx.weight / 4 | vbytes: 2)"></td>
               </tr>
-              <tr *ngIf="cpfpInfo && cpfpInfo.adjustedVsize && cpfpInfo.adjustedVsize > (tx.weight / 4)">
+              <tr *ngIf="adjustedVsize != null">
                 <td i18n="transaction.adjusted-vsize|Transaction Adjusted VSize">Adjusted vsize</td>
-                <td [innerHTML]="'&lrm;' + (cpfpInfo.adjustedVsize | vbytes: 2)"></td>
+                <td [innerHTML]="'&lrm;' + (adjustedVsize | vbytes: 2)"></td>
               </tr>
               <tr>
                 <td i18n="block.weight">Weight</td>
@@ -314,9 +314,9 @@
                 <td i18n="transaction.locktime">Locktime</td>
                 <td [innerHTML]="'&lrm;' + (tx.locktime | number)"></td>
               </tr>
-              <tr *ngIf="cpfpInfo && cpfpInfo.adjustedVsize && cpfpInfo.adjustedVsize > (tx.weight / 4)">
+              <tr *ngIf="sigops != null">
                 <td i18n="transaction.sigops|Transaction Sigops">Sigops</td>
-                <td [innerHTML]="'&lrm;' + (cpfpInfo.sigops | number)"></td>
+                <td [innerHTML]="'&lrm;' + (sigops | number)"></td>
               </tr>
               <tr>
                 <td i18n="transaction.hex">Transaction hex</td>
diff --git a/frontend/src/app/components/transaction/transaction.component.ts b/frontend/src/app/components/transaction/transaction.component.ts
index 4743e5cd6..5260cd668 100644
--- a/frontend/src/app/components/transaction/transaction.component.ts
+++ b/frontend/src/app/components/transaction/transaction.component.ts
@@ -62,6 +62,8 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
   rbfReplaces: string[];
   rbfInfo: RbfTree;
   cpfpInfo: CpfpInfo | null;
+  sigops: number | null;
+  adjustedVsize: number | null;
   showCpfpDetails = false;
   fetchCpfp$ = new Subject<string>();
   fetchRbfHistory$ = new Subject<string>();
@@ -343,6 +345,10 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
           if (tx.fee === undefined) {
             this.tx.fee = 0;
           }
+          if (this.tx.sigops != null) {
+            this.sigops = this.tx.sigops;
+            this.adjustedVsize = Math.max(this.tx.weight / 4, this.sigops * 5);
+          }
           this.tx.feePerVsize = tx.fee / (tx.weight / 4);
           this.isLoadingTx = false;
           this.error = undefined;
@@ -543,6 +549,10 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     }
 
     this.cpfpInfo = cpfpInfo;
+    if (this.cpfpInfo.adjustedVsize && this.cpfpInfo.sigops != null) {
+      this.sigops = this.cpfpInfo.sigops;
+      this.adjustedVsize = this.cpfpInfo.adjustedVsize;
+    }
     this.hasEffectiveFeeRate = hasRelatives || (this.tx.effectiveFeePerVsize && (Math.abs(this.tx.effectiveFeePerVsize - this.tx.feePerVsize) > 0.01));
   }
 
@@ -569,6 +579,8 @@ export class TransactionComponent implements OnInit, AfterViewInit, OnDestroy {
     this.replaced = false;
     this.transactionTime = -1;
     this.cpfpInfo = null;
+    this.adjustedVsize = null;
+    this.sigops = null;
     this.hasEffectiveFeeRate = false;
     this.rbfInfo = null;
     this.rbfReplaces = [];
diff --git a/frontend/src/app/interfaces/electrs.interface.ts b/frontend/src/app/interfaces/electrs.interface.ts
index 2d604a9de..58a02ad79 100644
--- a/frontend/src/app/interfaces/electrs.interface.ts
+++ b/frontend/src/app/interfaces/electrs.interface.ts
@@ -26,6 +26,7 @@ export interface Transaction {
   _outspends?: Outspend[];
   _channels?: TransactionChannels;
   price?: Price;
+  sigops?: number;
 }
 
 export interface TransactionChannels {