diff --git a/src/apprt/gtk/App.zig b/src/apprt/gtk/App.zig
index 5d09a5782..0cee1938e 100644
--- a/src/apprt/gtk/App.zig
+++ b/src/apprt/gtk/App.zig
@@ -489,7 +489,6 @@ pub fn performAction(
         .render_inspector,
         .renderer_health,
         .color_change,
-        .config_change,
         => log.warn("unimplemented action={}", .{action}),
     }
 }
@@ -834,7 +833,7 @@ fn configChange(self: *App, new_config: *const Config) void {
     }
 }
 
-fn reloadConfig(
+pub fn reloadConfig(
     self: *App,
     target: apprt.action.Target,
     opts: apprt.action.ReloadConfig,
@@ -1430,7 +1429,7 @@ fn gtkActionReloadConfig(
 ) callconv(.C) void {
     const self: *App = @ptrCast(@alignCast(ud orelse return));
     self.reloadConfig(.app, .{}) catch |err| {
-        log.err("error reloading configuration: {s}", .{err});
+        log.err("error reloading configuration: {}", .{err});
     };
 }
 
diff --git a/src/apprt/gtk/ConfigErrorsWindow.zig b/src/apprt/gtk/ConfigErrorsWindow.zig
index f7f651247..6d4cda21b 100644
--- a/src/apprt/gtk/ConfigErrorsWindow.zig
+++ b/src/apprt/gtk/ConfigErrorsWindow.zig
@@ -203,7 +203,7 @@ const ButtonsView = struct {
 
     fn gtkReloadClick(_: *c.GtkWidget, ud: ?*anyopaque) callconv(.C) void {
         const self: *ConfigErrors = @ptrCast(@alignCast(ud));
-        _ = self.app.reloadConfig(.app, .{}) catch |err| {
+        self.app.reloadConfig(.app, .{}) catch |err| {
             log.warn("error reloading config error={}", .{err});
             return;
         };