diff --git a/AUTHORS b/AUTHORS
index 87d85c1..d188cbe 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -23,4 +23,4 @@ Contributors:
   Xico Atelo : startup notifications
   Craig Oakes : WM flags, issue tracker organization
   Jeff Blake (https://gitlab.com/u/berkley4) : more mouse event handlers
-
+  Sebastian Reichel <sre@debian.org> : various fixes
diff --git a/src/tooltip/tooltip.c b/src/tooltip/tooltip.c
index 294c837..f438162 100644
--- a/src/tooltip/tooltip.c
+++ b/src/tooltip/tooltip.c
@@ -259,7 +259,7 @@ void tooltip_update()
 }
 
 
-void tooltip_trigger_hide(Tooltip* tooltip)
+void tooltip_trigger_hide()
 {
 	if (g_tooltip.mapped) {
 		tooltip_copy_text(0);