diff --git a/src/main/java/io/prismic/core/HttpClient.java b/src/main/java/io/prismic/core/HttpClient.java
index 950afac..6a5efd0 100644
--- a/src/main/java/io/prismic/core/HttpClient.java
+++ b/src/main/java/io/prismic/core/HttpClient.java
@@ -60,7 +60,7 @@ public static JsonNode fetch(String url, Logger logger, Cache cache, Proxy proxy
         InputStream errorStream = httpConnection.getErrorStream();
         if(errorStream != null) {
           JsonNode errorJson = new ObjectMapper().readTree(errorStream);
-          if (errorJson != null) {
+          if (errorJson != null && errorJson.get("error") != null) {
             errorText = errorJson.get("error").asText();
           }
         }