diff --git a/Changes b/Changes
index 58194d9..0cec767 100644
--- a/Changes
+++ b/Changes
@@ -3,6 +3,7 @@
 - Implement timeout rewrite
 - Add a test: changing timeout using a pipe
 - Add pipe response rewriting (#794)
+- Fix datatype for query statistics (close #802)
 
 # version 0.78.2
 
diff --git a/src/main/java/de/ids_mannheim/korap/dto/QueryDto.java b/src/main/java/de/ids_mannheim/korap/dto/QueryDto.java
index 6d31fd6..42d1814 100644
--- a/src/main/java/de/ids_mannheim/korap/dto/QueryDto.java
+++ b/src/main/java/de/ids_mannheim/korap/dto/QueryDto.java
@@ -28,10 +28,10 @@
     private String requiredAccess;
     private String createdBy;
 
-    private int numberOfDoc;
-    private int numberOfParagraphs;
-    private int numberOfSentences;
-    private int numberOfTokens;
+    private long numberOfDoc;
+    private long numberOfParagraphs;
+    private long numberOfSentences;
+    private long numberOfTokens;
 
     private String query;
     private String queryLanguage;