diff --git a/htdocs/index.html b/htdocs/index.html
index 0fa04c4..4a24382 100644
--- a/htdocs/index.html
+++ b/htdocs/index.html
@@ -91,16 +91,16 @@
                         <div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-cw"
                             onclick="demodulator_analog_replace('cw');">CW</div>
 						<div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-dmr"
-                             style="display:none;" data-feature="digital_voice"
+                             style="display:none;" data-feature="digital_voice_digiham"
 						    onclick="demodulator_analog_replace('dmr');">DMR</div>
 						<div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-dstar"
-                             style="display:none;" data-feature="digital_voice"
+                             style="display:none;" data-feature="digital_voice_dsd"
 						    onclick="demodulator_analog_replace('dstar');">DStar</div>
 						<div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-nxdn"
-                             style="display:none;" data-feature="digital_voice"
+                             style="display:none;" data-feature="digital_voice_dsd"
 						    onclick="demodulator_analog_replace('nxdn');">NXDN</div>
 						<div class="openwebrx-button openwebrx-demodulator-button" id="openwebrx-button-ysf"
-                             style="display:none;" data-feature="digital_voice"
+                             style="display:none;" data-feature="digital_voice_digiham"
 						    onclick="demodulator_analog_replace('ysf');">YSF</div>
                     </div>
                     <div class="openwebrx-panel-line">
diff --git a/owrx/feature.py b/owrx/feature.py
index 74b5970..dfc7901 100644
--- a/owrx/feature.py
+++ b/owrx/feature.py
@@ -16,7 +16,8 @@ class FeatureDetector(object):
         "rtl_sdr": [ "rtl_sdr" ],
         "sdrplay": [ "rx_tools" ],
         "hackrf": [ "hackrf_transfer" ],
-        "digital_voice": [ "digiham", "sox" ]
+        "digital_voice_digiham": [ "digiham", "sox" ],
+        "digital_voice_dsd": [ "dsd", "sox" ]
     }
 
     def feature_availability(self):