1 files changed, 1 insertions, 0 deletions

diff --git a/Src/zsh.h b/Src/zsh.h
index f36773d90..0434fdb5e 100644
--- a/Src/zsh.h
+++ b/Src/zsh.h
@@ -1514,6 +1514,7 @@ enum {
     HISTNOFUNCTIONS,
     HISTNOSTORE,
     HISTREDUCEBLANKS,
+    HISTSAVEBYCOPY,
     HISTSAVENODUPS,
     HISTVERIFY,
     HUP,