diff --git a/hedera-mirror-web3/src/main/java/com/hedera/mirror/web3/state/keyvalue/ContractStorageReadableKVState.java b/hedera-mirror-web3/src/main/java/com/hedera/mirror/web3/state/keyvalue/ContractStorageReadableKVState.java
index 5011774525..0c2297986b 100644
--- a/hedera-mirror-web3/src/main/java/com/hedera/mirror/web3/state/keyvalue/ContractStorageReadableKVState.java
+++ b/hedera-mirror-web3/src/main/java/com/hedera/mirror/web3/state/keyvalue/ContractStorageReadableKVState.java
@@ -2,6 +2,8 @@
 
 package com.hedera.mirror.web3.state.keyvalue;
 
+import static com.hedera.mirror.common.util.DomainUtils.leftPadBytes;
+
 import com.hedera.hapi.node.state.contract.SlotKey;
 import com.hedera.hapi.node.state.contract.SlotValue;
 import com.hedera.mirror.web3.common.ContractCallContext;
@@ -10,6 +12,7 @@
 import com.hedera.services.utils.EntityIdUtils;
 import jakarta.annotation.Nonnull;
 import jakarta.inject.Named;
+import org.apache.tuweni.bytes.Bytes32;
 
 @Named
 public class ContractStorageReadableKVState extends AbstractReadableKVState<SlotKey, SlotValue> {
@@ -35,7 +38,8 @@ protected SlotValue readFromDataSource(@Nonnull SlotKey slotKey) {
         return timestamp
                 .map(t -> contractStateRepository.findStorageByBlockTimestamp(entityId, keyBytes, t))
                 .orElse(contractStateRepository.findStorage(entityId, keyBytes))
-                .map(byteArr -> new SlotValue(Bytes.wrap(byteArr), Bytes.EMPTY, Bytes.EMPTY))
+                .map(byteArr ->
+                        new SlotValue(Bytes.wrap(leftPadBytes(byteArr, Bytes32.SIZE)), Bytes.EMPTY, Bytes.EMPTY))
                 .orElse(null);
     }
 }
diff --git a/hedera-mirror-web3/src/test/java/com/hedera/mirror/web3/state/keyvalue/ContractStorageReadableKVStateTest.java b/hedera-mirror-web3/src/test/java/com/hedera/mirror/web3/state/keyvalue/ContractStorageReadableKVStateTest.java
index 20fdbc9ed6..e46aedc849 100644
--- a/hedera-mirror-web3/src/test/java/com/hedera/mirror/web3/state/keyvalue/ContractStorageReadableKVStateTest.java
+++ b/hedera-mirror-web3/src/test/java/com/hedera/mirror/web3/state/keyvalue/ContractStorageReadableKVStateTest.java
@@ -2,6 +2,7 @@
 
 package com.hedera.mirror.web3.state.keyvalue;
 
+import static com.hedera.mirror.common.util.DomainUtils.leftPadBytes;
 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyLong;
@@ -19,6 +20,7 @@
 import com.hedera.pbj.runtime.io.buffer.Bytes;
 import java.util.Collections;
 import java.util.Optional;
+import org.apache.tuweni.bytes.Bytes32;
 import org.junit.jupiter.api.AfterAll;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.BeforeEach;
@@ -35,7 +37,7 @@ class ContractStorageReadableKVStateTest {
 
     private static final ContractID CONTRACT_ID =
             new ContractID(1L, 0L, new OneOf<>(ContractOneOfType.CONTRACT_NUM, 1L));
-    private static final Bytes BYTES = Bytes.fromBase64("123456");
+    private static final Bytes BYTES = Bytes.wrap(leftPadBytes("123456".getBytes(), Bytes32.SIZE));
     private static final SlotKey SLOT_KEY = new SlotKey(CONTRACT_ID, BYTES);
     private static final EntityId ENTITY_ID =
             EntityId.of(CONTRACT_ID.shardNum(), CONTRACT_ID.realmNum(), CONTRACT_ID.contractNum());