diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerGetMinPriorityFee.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerGetMinPriorityFee.java
index 7d1c176193c..8e2630233fd 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerGetMinPriorityFee.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerGetMinPriorityFee.java
@@ -37,6 +37,6 @@ public String getName() {
   public JsonRpcResponse response(final JsonRpcRequestContext requestContext) {
     return new JsonRpcSuccessResponse(
         requestContext.getRequest().getId(),
-        miningParameters.getMinPriorityFeePerGas().toHexString());
+        miningParameters.getMinPriorityFeePerGas().toShortHexString());
   }
 }
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFee.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFee.java
index b723b08f230..25a47c0abbf 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFee.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerSetMinPriorityFee.java
@@ -48,7 +48,8 @@ public JsonRpcResponse response(final JsonRpcRequestContext requestContext) {
       final Wei minPriorityFeePerGas =
           Wei.fromHexString(requestContext.getRequiredParameter(0, String.class));
       miningParameters.setMinPriorityFeePerGas(minPriorityFeePerGas);
-      LOG.debug("min priority fee per gas changed to {}", minPriorityFeePerGas);
+      LOG.debug(
+          "min priority fee per gas changed to {}", minPriorityFeePerGas.toHumanReadableString());
       return new JsonRpcSuccessResponse(requestContext.getRequest().getId(), true);
     } catch (final IllegalArgumentException invalidJsonRpcParameters) {
       return new JsonRpcErrorResponse(
diff --git a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerGetMinPriorityFeeTest.java b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerGetMinPriorityFeeTest.java
index 9f6a3e34096..4022e10244f 100644
--- a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerGetMinPriorityFeeTest.java
+++ b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/miner/MinerGetMinPriorityFeeTest.java
@@ -39,15 +39,15 @@ public void setUp() {
 
   @Test
   public void shouldReturnMinPriorityFee() {
-    Wei minPriorityFee = Wei.fromHexString("0x46");
+    String minPriorityFee = "0x46";
 
     final JsonRpcRequestContext request =
         new JsonRpcRequestContext(new JsonRpcRequest("2.0", method.getName(), new Object[] {}));
 
-    when(miningParameters.getMinPriorityFeePerGas()).thenReturn(minPriorityFee);
+    when(miningParameters.getMinPriorityFeePerGas()).thenReturn(Wei.fromHexString(minPriorityFee));
 
     final JsonRpcResponse expected =
-        new JsonRpcSuccessResponse(request.getRequest().getId(), minPriorityFee.toHexString());
+        new JsonRpcSuccessResponse(request.getRequest().getId(), minPriorityFee);
 
     final JsonRpcResponse actual = method.response(request);
     assertThat(actual).usingRecursiveComparison().isEqualTo(expected);