diff --git a/runtime/ui/key/binding.go b/runtime/ui/key/binding.go
index 69fe007..76ffa31 100644
--- a/runtime/ui/key/binding.go
+++ b/runtime/ui/key/binding.go
@@ -60,7 +60,7 @@ func NewBindingFromConfig(gui *gocui.Gui, influence string, configKeys []string,
 	for _, configKey := range configKeys {
 		bindStr := viper.GetString(configKey)
 		if bindStr == "" {
-			logrus.Debug("skipping keybinding '%s' (no value given)", configKey)
+			logrus.Debugf("skipping keybinding '%s' (no value given)", configKey)
 			continue
 		}
 		logrus.Debugf("parsing keybinding '%s' --> '%s'", configKey, bindStr)