diff --git a/accounts.go b/accounts.go
index 50746fe..730e7c8 100644
--- a/accounts.go
+++ b/accounts.go
@@ -57,7 +57,7 @@ type AccountSource struct {
 
 func LookupAccount(username string) (*Account, error) {
 	var account Account
-	err := doAPI(http.MethodGet, fmt.Sprintf("api/v1/accounts/lookup?acct=%s", url.QueryEscape(username)), nil, &account, nil)
+	err := doAPI(http.MethodGet, fmt.Sprintf("/api/v1/accounts/lookup?acct=%s", url.QueryEscape(username)), nil, &account, nil)
 	if err != nil {
 		return nil, err
 	}