diff --git a/doc/lib.m4 b/doc/lib.m4
index f29183ea4..37c430e1b 100644
--- a/doc/lib.m4
+++ b/doc/lib.m4
@@ -82,7 +82,7 @@ m4_define({{_generaloptions_}}, {{
 `--alias=OLD=NEW`
 : display accounts named OLD as NEW
 
-`--ignore-assertions`
+`-I --ignore-assertions`
 : ignore any failing balance assertions in the journal
 
 }} )m4_dnl
diff --git a/hledger/Hledger/Cli/CliOptions.hs b/hledger/Hledger/Cli/CliOptions.hs
index b9e960538..a32515a07 100644
--- a/hledger/Hledger/Cli/CliOptions.hs
+++ b/hledger/Hledger/Cli/CliOptions.hs
@@ -117,7 +117,7 @@ inputflags = [
   flagReq ["file","f"]  (\s opts -> Right $ setopt "file" s opts) "FILE" "use a different input file. For stdin, use -"
  ,flagReq ["rules-file"]  (\s opts -> Right $ setopt "rules-file" s opts) "RFILE" "CSV conversion rules file (default: FILE.rules)"
  ,flagReq ["alias"]  (\s opts -> Right $ setopt "alias" s opts)  "OLD=NEW" "display accounts named OLD as NEW"
- ,flagNone ["ignore-assertions"] (setboolopt "ignore-assertions") "ignore any balance assertions in the journal"
+ ,flagNone ["ignore-assertions","I"] (setboolopt "ignore-assertions") "ignore any balance assertions in the journal"
  ,flagReq ["pivot"]  (\s opts -> Right $ setopt "pivot" s opts)  "TAG" "Replace the accounts of postings with TAG by TAG:<value>"
  ]