diff --git a/Options.hs b/Options.hs
index d607a3fab..b4b582098 100644
--- a/Options.hs
+++ b/Options.hs
@@ -46,6 +46,9 @@ usagehdr    = "Usage: hledger [OPTION] COMMAND [ACCTPATTERNS] [-- DESCPATTERNS]\
 #endif
 #ifdef ANSI
               "  ansi     - run a simple ansi-based text ui\n" ++
+#endif
+#ifdef HAPPS
+              "  happs    - run a web server providing a minimal web ui\n" ++
 #endif
               "\n" ++
               "Options (before command, unless using --options-anywhere):"