diff --git a/src/zipios++/ziphead.h b/src/zipios++/ziphead.h
index e76397e12..352f117f3 100644
--- a/src/zipios++/ziphead.h
+++ b/src/zipios++/ziphead.h
@@ -179,7 +179,7 @@ public:
   void setOffset( uint32 offset )   { cdir_offset = offset ;        }
 
   void setTotalCount( uint16 c )    { cdir_entries = c ; cdir_tot_entries = c ; }
-  int  eocdOffSetFromEnd() const { return eocd_offset_from_end ; }
+  int  eocdOffSetFromEnd() const { return static_cast<int>(eocd_offset_from_end) ; }
   bool read( vector<unsigned char> &buf, int pos ) ;
 private:
   static const uint32 signature;