diff --git a/doc/fftools-common-opts.texi b/doc/fftools-common-opts.texi
index f6d452c40e..7b5a11b634 100644
--- a/doc/fftools-common-opts.texi
+++ b/doc/fftools-common-opts.texi
@@ -98,7 +98,7 @@ These options are shared amongst the ff* tools.
 
 @table @option
 
-@item -L
+@item -L, -license
 Show license.
 
 @item -h, -?, -help, --help [@var{arg}]
diff --git a/fftools/opt_common.h b/fftools/opt_common.h
index 9bb5268472..2a891cdd89 100644
--- a/fftools/opt_common.h
+++ b/fftools/opt_common.h
@@ -198,6 +198,7 @@ int opt_cpucount(void *optctx, const char *opt, const char *arg);
 
 #define CMDUTILS_COMMON_OPTIONS                                                                                         \
     { "L",            OPT_TYPE_FUNC, OPT_EXIT,              { .func_arg = show_license },     "show license" },                          \
+    { "license",      OPT_TYPE_FUNC, OPT_EXIT,              { .func_arg = show_license },     "show license" },                          \
     { "h",            OPT_TYPE_FUNC, OPT_EXIT,              { .func_arg = show_help },        "show help", "topic" },                    \
     { "?",            OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_help },        "show help", "topic" },                    \
     { "help",         OPT_TYPE_FUNC, OPT_EXIT | OPT_EXPERT, { .func_arg = show_help },        "show help", "topic" },                    \