diff --git a/src/common/kiwix/reader.cpp b/src/common/kiwix/reader.cpp
index 15f3d9506..c7910e7db 100644
--- a/src/common/kiwix/reader.cpp
+++ b/src/common/kiwix/reader.cpp
@@ -422,4 +422,16 @@ namespace kiwix {
 
     return true;
   }
+
+  /* Return the file size, works also for splitted files */
+  unsigned int Reader::getFileSize() {
+    zim::File *file = this->getZimFileHandler();
+    zim::offset_type size = 0;
+    
+    if (file != NULL) {
+      size = file->getFilesize();
+    }
+
+    return size;
+  }
 }
diff --git a/src/common/kiwix/reader.h b/src/common/kiwix/reader.h
index e2d8a7834..a0829b5f6 100644
--- a/src/common/kiwix/reader.h
+++ b/src/common/kiwix/reader.h
@@ -30,6 +30,7 @@
 #include <sstream>
 #include <map>
 #include "time.h"
+#include "../pathTools.h"
 
 using namespace std;
 
@@ -63,6 +64,7 @@ namespace kiwix {
     bool canCheckIntegrity();
     bool isCorrupted();
     bool parseUrl(const string &urlStr, char *ns, string &titleStr);
+    unsigned int getFileSize();
     zim::File* getZimFileHandler();
     
   protected: