diff --git a/pkg/analysis/analysis.go b/pkg/analysis/analysis.go
index f420ca1..e8b2ed6 100644
--- a/pkg/analysis/analysis.go
+++ b/pkg/analysis/analysis.go
@@ -3,6 +3,7 @@ package analysis
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"strings"
 
@@ -73,6 +74,8 @@ func (a *Analysis) RunAnalysis() error {
 					return err
 				}
 				a.Results = append(a.Results, results...)
+			} else {
+				return errors.New(fmt.Sprintf("\"%s\" filter does not exist. Please run k8sgpt filters list.", filter))
 			}
 		}
 		return nil
diff --git a/pkg/analyzer/hpa.go b/pkg/analyzer/hpa.go
index 983d999..fe16a76 100644
--- a/pkg/analyzer/hpa.go
+++ b/pkg/analyzer/hpa.go
@@ -2,7 +2,6 @@ package analyzer
 
 import (
 	"fmt"
-
 	"github.com/k8sgpt-ai/k8sgpt/pkg/common"
 	"github.com/k8sgpt-ai/k8sgpt/pkg/util"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
@@ -28,22 +27,22 @@ func (HpaAnalyzer) Analyze(a common.Analyzer) ([]common.Result, error) {
 
 		switch scaleTargetRef.Kind {
 		case "Deployment":
-			_, err := a.Client.GetClient().AppsV1().Deployments(a.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
+			_, err := a.Client.GetClient().AppsV1().Deployments(hpa.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
 			if err != nil {
 				scaleTargetRefNotFound = true
 			}
 		case "ReplicationController":
-			_, err := a.Client.GetClient().CoreV1().ReplicationControllers(a.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
+			_, err := a.Client.GetClient().CoreV1().ReplicationControllers(hpa.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
 			if err != nil {
 				scaleTargetRefNotFound = true
 			}
 		case "ReplicaSet":
-			_, err := a.Client.GetClient().AppsV1().ReplicaSets(a.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
+			_, err := a.Client.GetClient().AppsV1().ReplicaSets(hpa.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
 			if err != nil {
 				scaleTargetRefNotFound = true
 			}
 		case "StatefulSet":
-			_, err := a.Client.GetClient().AppsV1().StatefulSets(a.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
+			_, err := a.Client.GetClient().AppsV1().StatefulSets(hpa.Namespace).Get(a.Context, scaleTargetRef.Name, metav1.GetOptions{})
 			if err != nil {
 				scaleTargetRefNotFound = true
 			}