diff --git a/packages/protocol-kit/src/Safe.ts b/packages/protocol-kit/src/Safe.ts
index b9482711f..80730ba23 100644
--- a/packages/protocol-kit/src/Safe.ts
+++ b/packages/protocol-kit/src/Safe.ts
@@ -1268,7 +1268,11 @@ class Safe {
     })
     serviceTransactionResponse.confirmations?.map(
       (confirmation: SafeMultisigConfirmationResponse) => {
-        const signature = new EthSafeSignature(confirmation.owner, confirmation.signature)
+        const signature = new EthSafeSignature(
+          confirmation.owner,
+          confirmation.signature,
+          confirmation?.signatureType === "CONTRACT_SIGNATURE",
+        )
         safeTransaction.addSignature(signature)
       }
     )
diff --git a/packages/protocol-kit/src/utils/signatures/SafeSignature.ts b/packages/protocol-kit/src/utils/signatures/SafeSignature.ts
index 4ffab88da..025588e8f 100644
--- a/packages/protocol-kit/src/utils/signatures/SafeSignature.ts
+++ b/packages/protocol-kit/src/utils/signatures/SafeSignature.ts
@@ -38,8 +38,8 @@ export class EthSafeSignature implements SafeSignature {
    */
   dynamicPart() {
     if (this.isContractSignature) {
-      const dynamicPartLength = (this.data.slice(2).length / 2).toString(16).padStart(64, '0')
-      return `${dynamicPartLength}${this.data.slice(2)}`
+      // NOTE: Assuming single EIP-191 signaures from constructor
+      return `${this.data.slice(-1 * (130 + 64))}`
     }
 
     return ''