Fixed statistics conversion.

Change-Id: I109d01c5b031edcde9a98a84f81ebc77a2c05851
diff --git a/Changes b/Changes
index 253a13d..beb376b 100644
--- a/Changes
+++ b/Changes
@@ -2,6 +2,7 @@
 
 - Add an exception for missing layer.
 - Use database for querying VC statistics.
+- Fixed statistics conversion.
 
 
 # version 1.0
diff --git a/src/main/java/de/ids_mannheim/korap/dto/converter/QueryConverter.java b/src/main/java/de/ids_mannheim/korap/dto/converter/QueryConverter.java
index 12e5378..0d0afb8 100644
--- a/src/main/java/de/ids_mannheim/korap/dto/converter/QueryConverter.java
+++ b/src/main/java/de/ids_mannheim/korap/dto/converter/QueryConverter.java
@@ -43,10 +43,10 @@
 
         if (statistics != null) {
             JsonNode node = JsonUtils.readTree(statistics);
-            dto.setNumberOfDoc(node.at("/documents").asInt());
-            dto.setNumberOfParagraphs(node.at("/paragraphs").asInt());
-            dto.setNumberOfSentences(node.at("/sentences").asInt());
-            dto.setNumberOfTokens(node.at("/tokens").asInt());
+            dto.setNumberOfDoc(node.at("/documents").asLong());
+            dto.setNumberOfParagraphs(node.at("/paragraphs").asLong());
+            dto.setNumberOfSentences(node.at("/sentences").asLong());
+            dto.setNumberOfTokens(node.at("/tokens").asLong());
         }
         return dto;
     }