1 files changed, 1 insertions, 1 deletions

diff --git a/src/functionclose.cpp b/src/functionclose.cpp
index ac9c6f6..d652913 100644
--- a/src/functionclose.cpp
+++ b/src/functionclose.cpp
@@ -20,7 +20,7 @@ Bu::String FunctionClose::getName() const
 
 Variable FunctionClose::call( Variable &input, VarList )
 {
-        FileMgr::getInstance().close( (int)input.getOpaque() );
+        FileMgr::getInstance().close( (ptrdiff_t)input.getOpaque() );
         return Variable();
 }