diff --git a/lib/src/main/cpp/libzim/query.cpp b/lib/src/main/cpp/libzim/query.cpp
index 6117b4d..874da9e 100644
--- a/lib/src/main/cpp/libzim/query.cpp
+++ b/lib/src/main/cpp/libzim/query.cpp
@@ -20,7 +20,7 @@
 
 #include <jni.h>
 #include <exception>
-#include "org_kiwix_libzim_Searcher.h"
+#include "org_kiwix_libzim_Query.h"
 
 #include <utils.h>
 
diff --git a/lib/src/main/java/org/kiwix/libzim/Query.java b/lib/src/main/java/org/kiwix/libzim/Query.java
index 75599b5..1fb7abb 100644
--- a/lib/src/main/java/org/kiwix/libzim/Query.java
+++ b/lib/src/main/java/org/kiwix/libzim/Query.java
@@ -37,6 +37,6 @@ public class Query
   public native void dispose();
 
   // A pointer (as a long) to a native Handle
-  private native long setNativeQuery(String query);
+  private native void setNativeQuery(String query);
   private long nativeHandle;
 }