--- a/CxFreeze/CxfreezeExecDialog.py	Wed Oct 14 18:43:13 2020 +0200
+++ b/CxFreeze/CxfreezeExecDialog.py	Sun Nov 22 16:21:31 2020 +0100
@@ -228,7 +228,7 @@
         @param src source file or folder to copy. Wildcards allowed. (str)
         @param dst destination (str)
         @exception OSError raised if there is an issue writing the package
-        @exception IOError raised if the given source does not exist
+        @exception OSError raised if the given source does not exist
         """                                             # __IGNORE_WARNING__
         def src2dst(srcname, base, dst):
             """
@@ -276,7 +276,7 @@
             
             # check if file was found and copied
             if len(files) and not copied:
-                raise IOError(
+                raise OSError(
                     errno.ENOENT,
                     self.tr("No such file or directory: '{0}'")
                     .format(src))
@@ -314,6 +314,6 @@
             try:
                 self.__copytree(fn, dst)
                 self.insertPlainText.emit(self.tr('ok'))
-            except IOError as err:
+            except OSError as err:
                 self.insertPlainText.emit(
                     self.tr('failed: {0}').format(err.strerror))