diff --git a/src/pefile.cpp b/src/pefile.cpp
index 2023fbed..49a438c9 100644
--- a/src/pefile.cpp
+++ b/src/pefile.cpp
@@ -2165,10 +2165,10 @@ void PeFile::checkHeaderValues(unsigned subsystem, unsigned mask,
     //check CLR Runtime Header directory entry
     if (IDSIZE(PEDIR_COMRT))
         throwCantPack(".NET files are not yet supported");
-  
+
     if(isection == NULL)
         throwCantPack("No section was found");
-    
+
     if (memcmp(isection[0].name,"UPX",3) == 0)
         throwAlreadyPackedByUPX();