diff --git a/cmd/chat.go b/cmd/chat.go
index 728405b..66a5fe5 100644
--- a/cmd/chat.go
+++ b/cmd/chat.go
@@ -104,7 +104,7 @@ Be concise and action-oriented. After every tool call, wait for the result.`
 	}
 
 	history := loadChatHistory()
-	if history == nil || len(history) == 0 {
+	if len(history) == 0 {
 		history = []map[string]string{systemPrompt}
 	} else if history[0]["role"] != "system" {
 		history = append([]map[string]string{systemPrompt}, history...)