diff --git a/cmd/flux/bootstrap.go b/cmd/flux/bootstrap.go
index 55b80e93..7f92ca51 100644
--- a/cmd/flux/bootstrap.go
+++ b/cmd/flux/bootstrap.go
@@ -104,6 +104,11 @@ func bootstrapValidate() error {
 			return fmt.Errorf("component %s is required", component)
 		}
 	}
+
+	if err := utils.ValidateComponents(components); err != nil {
+		return err
+	}
+
 	return nil
 }
 
diff --git a/cmd/flux/install.go b/cmd/flux/install.go
index ad96d883..2550976c 100644
--- a/cmd/flux/install.go
+++ b/cmd/flux/install.go
@@ -110,6 +110,10 @@ func installCmdRun(cmd *cobra.Command, args []string) error {
 
 	components := append(installDefaultComponents, installExtraComponents...)
 
+	if err := utils.ValidateComponents(components); err != nil {
+		return err
+	}
+
 	opts := install.Options{
 		BaseURL:                installManifestsPath,
 		Version:                installVersion,
diff --git a/internal/utils/utils.go b/internal/utils/utils.go
index fd38a9d9..8eb3f239 100644
--- a/internal/utils/utils.go
+++ b/internal/utils/utils.go
@@ -21,6 +21,7 @@ import (
 	"bytes"
 	"context"
 	"fmt"
+	"github.com/fluxcd/flux2/pkg/manifestgen/install"
 	"io"
 	"io/ioutil"
 	"os"
@@ -380,3 +381,15 @@ func PrintTable(writer io.Writer, header []string, rows [][]string) {
 	table.AppendBulk(rows)
 	table.Render()
 }
+
+func ValidateComponents(components []string) error {
+	defaults := install.MakeDefaultOptions()
+	bootstrapAllComponents := append(defaults.Components, defaults.ComponentsExtra...)
+	for _, component := range components {
+		if !ContainsItemString(bootstrapAllComponents, component) {
+			return fmt.Errorf("component %s is not available", component)
+		}
+	}
+
+	return nil
+}
diff --git a/pkg/manifestgen/install/options.go b/pkg/manifestgen/install/options.go
index 1197b59b..6689a7f7 100644
--- a/pkg/manifestgen/install/options.go
+++ b/pkg/manifestgen/install/options.go
@@ -23,6 +23,7 @@ type Options struct {
 	Version                string
 	Namespace              string
 	Components             []string
+	ComponentsExtra        []string
 	EventsAddr             string
 	Registry               string
 	ImagePullSecret        string
@@ -42,6 +43,7 @@ func MakeDefaultOptions() Options {
 		Version:                "latest",
 		Namespace:              "flux-system",
 		Components:             []string{"source-controller", "kustomize-controller", "helm-controller", "notification-controller"},
+		ComponentsExtra:        []string{"image-reflector-controller", "image-automation-controller"},
 		EventsAddr:             "",
 		Registry:               "ghcr.io/fluxcd",
 		ImagePullSecret:        "",