2 files changed, 4 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index 1bf90118..1f3d00a3 100644
--- a/NEWS
+++ b/NEWS
@@ -16,6 +16,9 @@ GNU grep NEWS                                    -*- outline -*-
   slow in other multibyte locales. [bug present since multi-byte
   character set support was introduced in 2.5.2]
 
+  --mmap was meant to be ignored in 2.6.x, but it was instead
+  removed by mistake.  [bug introduced in 2.6]
+
 * Noteworthy changes in release 2.6.3 (2010-04-02) [stable]
 
 ** Bug fixes
diff --git a/src/main.c b/src/main.c
index aa3819cc..4c7c0e33 100644
--- a/src/main.c
+++ b/src/main.c
@@ -2069,6 +2069,7 @@ main (int argc, char **argv)
         label = optarg;
         break;
 
+      case MMAP_OPTION:
       case 0:
         /* long options */
         break;