diff --git a/command/openai/api.go b/command/openai/api.go
index 61e3129a..f6f8bcda 100644
--- a/command/openai/api.go
+++ b/command/openai/api.go
@@ -21,7 +21,7 @@ const (
 )
 
 // we don't use our default clients.HttpClient as we need longer timeouts...
-var client = http.Client{
+var httpClient = http.Client{
 	Timeout: 60 * time.Second,
 }
 
@@ -34,7 +34,7 @@ func doRequest(cfg Config, apiEndpoint string, data []byte) (*http.Response, err
 	req.Header.Set("Content-Type", "application/json")
 	req.Header.Set("Authorization", "Bearer "+cfg.APIKey)
 
-	return client.Do(req)
+	return httpClient.Do(req)
 }
 
 // https://platform.openai.com/docs/api-reference/chat
diff --git a/command/openai/command.go b/command/openai/command.go
index 95f80295..7c32d4aa 100644
--- a/command/openai/command.go
+++ b/command/openai/command.go
@@ -85,7 +85,7 @@ func (c *openaiCommand) startConversation(message msg.Ref, text string) bool {
 
 	var storageIdentifier string
 	if message.GetThread() != "" {
-		// "openai" was triggerd within a existing thread. -> fetch the whole thread history as context
+		// "openai" was triggered within a existing thread. -> fetch the whole thread history as context
 		threadMessages, err := c.SlackClient.GetThreadMessages(message)
 		if err != nil {
 			c.ReplyError(message, fmt.Errorf("can't load thread messages: %w", err))
@@ -236,9 +236,12 @@ func (c *openaiCommand) callAndStore(messages []ChatMessage, storageIdentifier s
 			Role:    roleAssistant,
 			Content: responseText.String(),
 		})
+
+		// truncate the history if needed to the last X messages
 		if len(messages) > c.cfg.HistorySize {
 			messages = messages[len(messages)-c.cfg.HistorySize:]
 		}
+
 		err = storage.Write(storageKey, storageIdentifier, messages)
 		if err != nil {
 			log.Warnf("Error while storing openai history: %s", err)
diff --git a/command/openai/dalle.go b/command/openai/dalle.go
index 16916483..24eedecb 100644
--- a/command/openai/dalle.go
+++ b/command/openai/dalle.go
@@ -10,6 +10,7 @@ import (
 	"github.com/innogames/slack-bot/v2/bot/msg"
 	"github.com/innogames/slack-bot/v2/bot/stats"
 	"github.com/innogames/slack-bot/v2/bot/util"
+	"github.com/innogames/slack-bot/v2/client"
 	log "github.com/sirupsen/logrus"
 	"github.com/slack-go/slack"
 )
@@ -51,7 +52,7 @@ func (c *openaiCommand) sendImageInSlack(image DalleResponseImage, message msg.M
 	if err != nil {
 		return err
 	}
-	resp, err := client.Do(req)
+	resp, err := httpClient.Do(req)
 	if err != nil {
 		return err
 	}
@@ -63,9 +64,20 @@ func (c *openaiCommand) sendImageInSlack(image DalleResponseImage, message msg.M
 		Channels:        []string{message.Channel},
 		ThreadTimestamp: message.Timestamp,
 		Reader:          resp.Body,
-		InitialComment:  image.RevisedPrompt,
+		InitialComment:  fmt.Sprintf("Dall-e prompt: %s", image.RevisedPrompt),
 	})
 
+	c.SlackClient.SendBlockMessage(
+		message,
+		[]slack.Block{
+			slack.NewActionBlock(
+				"",
+				client.GetInteractionButton("dalle", "Regenerate", fmt.Sprintf("dall-e %s", image.RevisedPrompt)),
+			),
+		},
+		slack.MsgOptionTS(message.Timestamp),
+	)
+
 	return err
 }
 
diff --git a/command/openai/dalle_test.go b/command/openai/dalle_test.go
index 116b8d18..c0cbdb50 100644
--- a/command/openai/dalle_test.go
+++ b/command/openai/dalle_test.go
@@ -100,6 +100,12 @@ func TestDalle(t *testing.T) {
 		mocks.AssertRemoveReaction(slackClient, ":coffee:", message)
 		mocks.AssertReaction(slackClient, ":outbox_tray:", message)
 		mocks.AssertRemoveReaction(slackClient, ":outbox_tray:", message)
+		mocks.AssertSlackBlocks(
+			t,
+			slackClient,
+			message,
+			`[{"type":"actions","elements":[{"type":"button","text":{"type":"plain_text","text":"Regenerate","emoji":true},"action_id":"dalle","value":"dall-e revised prompt 1234"}]}]`,
+		)
 
 		slackClient.On(
 			"UploadFile",
diff --git a/mocks/testing.go b/mocks/testing.go
index 71f068c5..7ffb6659 100644
--- a/mocks/testing.go
+++ b/mocks/testing.go
@@ -148,7 +148,7 @@ func AssertSlackBlocks(t *testing.T, slackClient *SlackClient, message msg.Ref,
 		}
 
 		return expectedJSON == string(givenJSON)
-	})).Once().Return("")
+	}), mock.Anything).Once().Return("")
 }
 
 // AssertContainsSlackBlocks is a small test helper to check for certain slack.Block