diff --git a/src/modules/wlr/taskbar.cpp b/src/modules/wlr/taskbar.cpp
index 025e5c19..f7e11df9 100644
--- a/src/modules/wlr/taskbar.cpp
+++ b/src/modules/wlr/taskbar.cpp
@@ -709,7 +709,7 @@ bool Taskbar::show_output(struct wl_output *output) const
 
 bool Taskbar::all_outputs() const
 {
-    static bool result = config_["all_outputs"].isBool() ? config_["all_outputs"].asBool() : false;
+    static bool result = config_["all-outputs"].isBool() ? config_["all-outputs"].asBool() : false;
 
     return result;
 }