diff --git a/VERSION b/VERSION
index 76405d41..1a106697 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-8.3.390
+8.3.391
diff --git a/extract/ExtMain.c b/extract/ExtMain.c
index 1068a89b..57ad2fc9 100644
--- a/extract/ExtMain.c
+++ b/extract/ExtMain.c
@@ -52,10 +52,12 @@ extern FILE *extFileOpen();
      * See extract.h for the bit flags that may be set in the following.
      * If any are set, the corresponding warnings get generated, leaving
      * feedback messages.  If this word is zero, only errors are
-     * reported.
+     * reported.  (Update:  "do labelcheck" and "do aliases" have been
+     * added to the default options because they generally are required
+     * and would only need to be disabled under exceptional circumstances.)
      */
 int ExtDoWarn = EXTWARN_DUP|EXTWARN_FETS;
-int ExtOptions = EXT_DOALL|EXT_DOLABELCHECK;
+int ExtOptions = EXT_DOALL|EXT_DOLABELCHECK|EXT_DOALIASES;
 
 /* --------------------------- Global data ---------------------------- */