diff --git a/plugins/hotkeys.cpp b/plugins/hotkeys.cpp
index da8506b32..30309c6bf 100644
--- a/plugins/hotkeys.cpp
+++ b/plugins/hotkeys.cpp
@@ -37,7 +37,7 @@ static bool can_invoke(const string &cmdline, df::viewscreen *screen) {
 }
 
 static int cleanupHotkeys(lua_State *) {
-    DEBUG(log).print("cleaning up old stub keybindings for:\n %s\n", join_strings("\n", Gui::getCurFocus(true)).c_str());
+    DEBUG(log).print("cleaning up old stub keybindings for:\n %s\n", join_strings(", ", Gui::getCurFocus(true)).c_str());
     std::for_each(sorted_keys.begin(), sorted_keys.end(), [](const string &sym) {
         string keyspec = sym + "@" + MENU_SCREEN_FOCUS_STRING;
         DEBUG(log).print("clearing keybinding: %s\n", keyspec.c_str());