diff --git a/doc/pages/hooks.asciidoc b/doc/pages/hooks.asciidoc
index 94008c7b..0dfa6fc1 100644
--- a/doc/pages/hooks.asciidoc
+++ b/doc/pages/hooks.asciidoc
@@ -123,7 +123,7 @@ of the given *group*.
 *InputModeChange* `<old mode>:<new mode>`::
     Triggered whenever the current input mode changes
 
-*KakBegin*::
+*KakBegin* `session name`::
     kakoune has started, this hook is called just after reading the user
     configuration files
 
diff --git a/src/main.cc b/src/main.cc
index a112edce..9d8079ef 100644
--- a/src/main.cc
+++ b/src/main.cc
@@ -618,7 +618,7 @@ int run_server(StringView session, StringView server_init,
 
     {
         Context empty_context{Context::EmptyContextFlag{}};
-        global_scope.hooks().run_hook("KakBegin", "", empty_context);
+        global_scope.hooks().run_hook("KakBegin", session, empty_context);
     }
 
     if (not files.empty()) try