diff --git a/java/src/main/java/com/margin/errors/ErrorResponseBuilder.java b/java/src/main/java/com/margin/errors/ErrorResponseBuilder.java
index 5369585..9ea3645 100644
--- a/java/src/main/java/com/margin/errors/ErrorResponseBuilder.java
+++ b/java/src/main/java/com/margin/errors/ErrorResponseBuilder.java
@@ -3,7 +3,7 @@ package com.margin.errors;
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.sun.javafx.collections.ImmutableObservableList;
+import com.google.common.collect.ImmutableList;
 import graphql.GraphQLError;
 import java.util.List;

@@ -21,7 +21,7 @@ public class ErrorResponseBuilder {
         extensionsFormat.setErrorCode(error.getExtensions().get("errorCode").toString());

         errorsFormat.setExtensions(extensionsFormat);
-        responseFormat.setErrors(new ImmutableObservableList<>(errorsFormat));
+        responseFormat.setErrors(ImmutableList.of(errorsFormat));

         ObjectMapper objectMapper = new ObjectMapper();