diff --git a/manager/searcher/plugin.go b/manager/searcher/plugin.go
index b52f5e983a8..0840c60ef6c 100644
--- a/manager/searcher/plugin.go
+++ b/manager/searcher/plugin.go
@@ -35,5 +35,5 @@ func LoadPlugin(dir string) (Searcher, error) {
 	if rc, ok := client.(Searcher); ok {
 		return rc, err
 	}
-	return nil, errors.New("invalid client, not a ResourceClient")
+	return nil, errors.New("invalid searcher plugin")
 }
diff --git a/scheduler/scheduler/evaluator/plugin.go b/scheduler/scheduler/evaluator/plugin.go
index 27472376a88..85b07e54fe0 100644
--- a/scheduler/scheduler/evaluator/plugin.go
+++ b/scheduler/scheduler/evaluator/plugin.go
@@ -35,5 +35,5 @@ func LoadPlugin(dir string) (Evaluator, error) {
 	if rc, ok := client.(Evaluator); ok {
 		return rc, err
 	}
-	return nil, errors.New("invalid client, not a ResourceClient")
+	return nil, errors.New("invalid evaluator plugin")
 }