--- a/tincan.py	Mon Jul 15 00:15:25 2019 -0700
+++ b/tincan.py	Mon Jul 15 08:13:51 2019 -0700
@@ -568,12 +568,8 @@
         while True:
             try:
                 self._template = TemplateFile(self._fspath)
-            except IOError as e:
-                if oheader is not None:
-                    note = "{0}: invalid #forward: ".format(self._origin)
-                else:
-                    note = ""
-                raise TinCanError("{0}{1!s}".format(note, e)) from e
+            except (OSError, UnicodeError) as e:
+                raise TinCanError("{0}: {1!s}".format(self._fspath, e)) from e
             try:
                 self._header = TemplateHeader(self._template.header)
             except TemplateHeaderError as e:
@@ -605,12 +601,15 @@
         if self._header.template is not None:
             if not _casef(self._header.template).endswith(_TEXTEN):
                 raise TinCanError("{0}: #template files must end in {1}".format(self._urlpath, _TEXTEN))
+            tpath = None
             try:
                 rtpath = self._splitpath(self._header.template)
                 tpath = os.path.normpath(os.path.join(self._fsroot, *rtpath))
                 tfile = TemplateFile(tpath)
             except OSError as e:
                 raise TinCanError("{0}: invalid #template: {1!s}".format(self._urlpath, e)) from e
+            except UnicodeError as e:
+                raise TinCanError("{0}: {1!s}".format(tpath, e)) from e
             except IndexError as e:
                 raise TinCanError("{0}: invalid #template".format(self._urlpath)) from e
             self._body = self._mktemplate(tfile.body, self.urljoin(*rtpath))