1 files changed, 1 insertions, 1 deletions
diff --git a/src/date.c b/src/date.c
index d92f646ec..10e91914c 100644
--- a/src/date.c
+++ b/src/date.c
@@ -276,7 +276,7 @@ batch_convert (const char *input_filename, const char *format)
     }
 
   if (fclose (in_stream) == EOF)
-    error (2, errno, "`%s'", input_filename);
+    error (2, errno, "%s", quote (input_filename));
 
   if (line != NULL)
     free (line);