diff --git a/json-path-assert/src/main/java/com/jayway/jsonassert/impl/JsonAsserterImpl.java b/json-path-assert/src/main/java/com/jayway/jsonassert/impl/JsonAsserterImpl.java
index 661310b8..8f4bb3e7 100644
--- a/json-path-assert/src/main/java/com/jayway/jsonassert/impl/JsonAsserterImpl.java
+++ b/json-path-assert/src/main/java/com/jayway/jsonassert/impl/JsonAsserterImpl.java
@@ -33,7 +33,7 @@ public class JsonAsserterImpl implements JsonAsserter {
         try {
             obj = JsonPath.<T>read(jsonObject, path);
         } catch (Exception e) {
-            throw new AssertionError(String.format("Error reading JSON path [%s]", path), e);
+            throw new AssertionError(String.format("Error reading JSON path [%s]: %s", path, e));
         }
 
         if (!matcher.matches(obj)) {
diff --git a/json-path/src/main/java/com/jayway/jsonpath/internal/PathRef.java b/json-path/src/main/java/com/jayway/jsonpath/internal/PathRef.java
index 391fb8a1..b5192869 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/internal/PathRef.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/internal/PathRef.java
@@ -154,7 +154,7 @@ public abstract class PathRef implements Comparable<PathRef>  {
         public int compareTo(PathRef o) {
             if(o instanceof ArrayIndexPathRef){
                 ArrayIndexPathRef pf = (ArrayIndexPathRef) o;
-                return Integer.compare(pf.index, this.index);
+                return Integer.valueOf(pf.index).compareTo(this.index);
             }
             return super.compareTo(o);
         }