diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/PluginsReloadConfiguration.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/PluginsReloadConfiguration.java
index 5c682b6dad..8905def578 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/PluginsReloadConfiguration.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/PluginsReloadConfiguration.java
@@ -52,7 +52,7 @@ public class PluginsReloadConfiguration implements JsonRpcMethod {
             "Plugin cannot be reloaded because no plugin has been registered with specified name: {}.",
             pluginName);
         return new JsonRpcErrorResponse(
-            requestContext.getRequest().getId(), JsonRpcError.INTERNAL_ERROR);
+            requestContext.getRequest().getId(), JsonRpcError.PLUGIN_NOT_FOUND);
       }
       reloadPluginConfig(namedPlugins.get(pluginName));
       return new JsonRpcSuccessResponse(requestContext.getRequest().getId());
diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/response/JsonRpcError.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/response/JsonRpcError.java
index 5b61f2cfaa..a18159dffb 100644
--- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/response/JsonRpcError.java
+++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/response/JsonRpcError.java
@@ -150,7 +150,10 @@ public enum JsonRpcError {
   ENCLAVE_PRIVACY_GROUP_MISSING(-50200, "PrivacyGroupNotFound"),
   ENCLAVE_PRIVACY_QUERY_ERROR(-50200, "PrivacyGroupQueryError"),
   ENCLAVE_KEYS_CANNOT_DECRYPT_PAYLOAD(-50200, "EnclaveKeysCannotDecryptPayload"),
-  METHOD_UNIMPLEMENTED(-50200, "MethodUnimplemented");
+  METHOD_UNIMPLEMENTED(-50200, "MethodUnimplemented"),
+
+  /** Plugins error */
+  PLUGIN_NOT_FOUND(-60000, "Plugin not found");
 
   private final int code;
   private final String message;