diff --git a/README.md b/README.md
index f1da9e5..142d8aa 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,13 @@
 ## Usage
 
 ```
-INSECURE_TLS=no BASE_URL=https://matrix.server.com LISTEN_ADDR=0.0.0.0:8888 ACCESS_TOKEN=hackme go run .
+INSECURE_TLS=no \
+  BASE_URL=https://matrix.server.com \
+  LISTEN_ADDR=0.0.0.0:8888 \
+  ACCESS_TOKEN=hackme \
+  VERBS_FILE=verbs.csv \
+  MATRIX_USER=@esbot:server.com \
+  go run .
 ```
 
 ## Licence
diff --git a/internal/http/http.go b/internal/http/http.go
index bce7117..3c5a108 100644
--- a/internal/http/http.go
+++ b/internal/http/http.go
@@ -35,12 +35,12 @@ func (h *handler) handleTransactions(w http.ResponseWriter, r *http.Request) {
 	w.Write([]byte("{}"))
 }
 
-func ListenAndServe(listenAddr, baseURL, accessToken string, insecureTLS bool, logger zerolog.Logger) error {
+func ListenAndServe(listenAddr, baseURL, user, accessToken string, insecureTLS bool, logger zerolog.Logger) error {
 	http.DefaultTransport.(*http.Transport).TLSClientConfig = &tls.Config{InsecureSkipVerify: insecureTLS}
 
 	h := handler{
 		logger: logger,
-		ep:     matrix.NewProcessor(baseURL, accessToken, logger),
+		ep:     matrix.NewProcessor(baseURL, user, accessToken, logger),
 	}
 
 	mux := http.NewServeMux()
diff --git a/internal/lang/lang.go b/internal/lang/lang.go
index 496d5a6..8e56137 100644
--- a/internal/lang/lang.go
+++ b/internal/lang/lang.go
@@ -46,11 +46,11 @@ func GetVerb(q string) *Verb {
 	return verbs[q]
 }
 
-func Load() (int, error) {
+func Load(verbsFile string) (int, error) {
 	var err error
-	f, err := os.Open("./internal/lang/resources/jehle_verb_database.csv")
+	f, err := os.Open(verbsFile)
 	if err != nil {
-		return 0, fmt.Errorf("could not open verb database: %v", err)
+		return 0, fmt.Errorf("could not open verbs file: %v", err)
 	}
 
 	csv := csv.NewReader(f)
diff --git a/internal/matrix/events.go b/internal/matrix/events.go
index ea337c9..1ea1a4d 100644
--- a/internal/matrix/events.go
+++ b/internal/matrix/events.go
@@ -20,16 +20,16 @@ type EventProcessor interface {
 }
 
 type processor struct {
-	baseURL     string
-	accessToken string
-	httpclient  *http.Client
-	processed   map[string]bool
-	logger      zerolog.Logger
+	baseURL, user, accessToken string
+	httpclient                 *http.Client
+	processed                  map[string]bool
+	logger                     zerolog.Logger
 }
 
-func NewProcessor(baseURL, accessToken string, logger zerolog.Logger) EventProcessor {
+func NewProcessor(baseURL, user, accessToken string, logger zerolog.Logger) EventProcessor {
 	return &processor{
 		baseURL:     baseURL,
+		user:        user,
 		accessToken: accessToken,
 		httpclient:  &http.Client{},
 		processed:   make(map[string]bool),
@@ -45,7 +45,7 @@ func (p *processor) ProcessEvents(events []*RawEvent) error {
 		}
 
 		if e.StateKey != "" {
-			if e.Content.Membership == "invite" {
+			if e.Type == "m.room.member" && e.Content.Membership == "invite" && e.StateKey == p.user {
 				if err := p.acceptInvite(e); err != nil {
 					return err
 				}
diff --git a/main.go b/main.go
index 85ec539..fa26d6e 100644
--- a/main.go
+++ b/main.go
@@ -27,15 +27,25 @@ func main() {
 		logger.Fatal().Msg("missing BASE_URL")
 	}
 
+	user := os.Getenv("MATRIX_USER")
+	if user == "" {
+		logger.Fatal().Msg("missing MATRIX_USER")
+	}
+
+	verbsFile := os.Getenv("VERBS_FILE")
+	if verbsFile == "" {
+		logger.Fatal().Msg("missing VERBS_FILE")
+	}
+
 	insecureTLS := os.Getenv("INSECURE_TLS") == "yes"
 
-	if n, err := lang.Load(); err == nil {
+	if n, err := lang.Load(verbsFile); err == nil {
 		logger.Info().Msgf("Loaded %d verbs", n)
 	} else {
 		logger.Fatal().Msgf("could not initialize languages: %v", err)
 	}
 
-	if err := http.ListenAndServe(listenAddr, baseURL, accessToken, insecureTLS, logger); err != nil {
+	if err := http.ListenAndServe(listenAddr, baseURL, user, accessToken, insecureTLS, logger); err != nil {
 		panic(err)
 	}
 }