diff --git a/src/grep.c b/src/grep.c
index fbeb089..b86e3de 100644
--- a/src/grep.c
+++ b/src/grep.c
@@ -2136,7 +2136,7 @@
       case INCLUDE_OPTION:
    if (!included_patterns)
      included_patterns = new_exclude ();
-   add_exclude (included_patterns, optarg, EXCLUDE_INCLUDE);
+   add_exclude (included_patterns, optarg, EXCLUDE_WILDCARDS | EXCLUDE_INCLUDE);
    break;
