diff --git a/cmd/acb/main.go b/cmd/acb/main.go
index bfe0272..db5a0d7 100644
--- a/cmd/acb/main.go
+++ b/cmd/acb/main.go
@@ -38,6 +38,18 @@ func main() {
 		os.Exit(1)
 	}
 
+	// Check if the prompt is a file path and read it if it exists
+	finalPrompt := *prompt
+	if _, err := os.Stat(*prompt); err == nil {
+		// File exists, read it
+		content, err := os.ReadFile(*prompt)
+		if err != nil {
+			fmt.Printf("Error reading prompt file: %v\n", err)
+			os.Exit(1)
+		}
+		finalPrompt = string(content)
+	}
+
 	var prs map[string][]contributions.PullRequest
 	var issues []issues.Issue
 	var vikunjaTasks []vikunja.Task
@@ -66,7 +78,7 @@ func main() {
 		os.Exit(1)
 	}
 
-	summ, err := SummarizeData(*employeename, prs, issues, vikunjaTasks, *prompt, openaiEndpoint, openaiToken, openaiModel)
+	summ, err := SummarizeData(*employeename, prs, issues, vikunjaTasks, finalPrompt, openaiEndpoint, openaiToken, openaiModel)
 	if err != nil {
 		fmt.Println(fmt.Errorf("error getting PRs: %w", err))
 		os.Exit(1)