diff --git a/src/http_server.cpp b/src/http_server.cpp
index d4a0958..8ff1363 100644
--- a/src/http_server.cpp
+++ b/src/http_server.cpp
@@ -201,9 +201,9 @@ void http_server_setup() {
 	});
 	http_server.on("/effects", HTTP_GET, [&](AsyncWebServerRequest* request) {
 		String message = F("<html><head><title>Pitrix effects</title></head><body><h1>Pitrix settings</h1><a href='/'>Back to main page</a><table>");
-		char buffer[150];
+		char buffer[500];
 		for (int i=0; i<effects_size; i++) {
-			snprintf_P(buffer, 150, PSTR("<tr><td>%s</td><td><form method='post' action='/effects'><input type='hidden' name='name' value='%s'><input type='hidden' name='redir' value='1'><input type='submit' value='Select'></form></td></tr>"), effects[i].name, effects[i].name);
+			snprintf_P(buffer, 500, PSTR("<tr><td>%s</td><td><form method='post' action='/effects'><input type='hidden' name='name' value='%s'><input type='hidden' name='redir' value='1'><input type='submit' value='Select'></form></td></tr>"), effects[i].name, effects[i].name);
 			message += buffer;
 		}
 		message += F("</table></body></html>");
