diff --git a/examples/arduino-rx-web/index-tmpl.html b/examples/arduino-rx-web/index-tmpl.html
index dc72ffa..00599f2 100644
--- a/examples/arduino-rx-web/index-tmpl.html
+++ b/examples/arduino-rx-web/index-tmpl.html
@@ -98,10 +98,10 @@
 
                     parameters = ggwave.getDefaultParameters();
                     parameters.payloadLength = kPayloadLength;
-                    parameters.samplesPerFrame = 512;
+                    parameters.samplesPerFrame = 1024;
                     parameters.sampleRateInp = context.sampleRate;
                     parameters.sampleRateOut = context.sampleRate;
-                    parameters.operatingMode = GGWAVE_OPERATING_MODE_RX_AND_TX | GGWAVE_OPERATING_MODE_USE_DSS;
+                    parameters.operatingMode = ggwave.GGWAVE_OPERATING_MODE_RX_AND_TX | ggwave.GGWAVE_OPERATING_MODE_USE_DSS;
                     instance = ggwave.init(parameters);
                 }
             }