diff --git a/htdocs/openwebrx.js b/htdocs/openwebrx.js
index f4111fd..4c62590 100644
--- a/htdocs/openwebrx.js
+++ b/htdocs/openwebrx.js
@@ -2779,7 +2779,6 @@ function demodulator_digital_replace(subtype)
     case "bpsk31":
     case "rtty":
     case "ft8":
-    case "wspr":
     case "jt65":
     case "jt9":
     case "ft4":
@@ -2787,6 +2786,15 @@ function demodulator_digital_replace(subtype)
         demodulator_analog_replace('usb', true);
         demodulator_buttons_update();
         break;
+    case "wspr":
+        secondary_demod_start(subtype);
+        demodulator_analog_replace('usb', true);
+        // WSPR only samples between 1400 and 1600 Hz
+        demodulators[0].low_cut = 1350;
+        demodulators[0].high_cut = 1650;
+        demodulators[0].set();
+        demodulator_buttons_update();
+        break;
     case "packet":
         secondary_demod_start(subtype);
         demodulator_analog_replace('nfm', true);
diff --git a/owrx/service.py b/owrx/service.py
index 4460880..7517249 100644
--- a/owrx/service.py
+++ b/owrx/service.py
@@ -180,6 +180,10 @@ class ServiceHandler(object):
         if mode == "packet":
             d.set_demodulator("nfm")
             d.set_bpf(-4000, 4000)
+        elif mode == "wspr":
+            d.set_demodulator("usb")
+            # WSPR only samples between 1400 and 1600 Hz
+            d.set_bpf(1350, 1650)
         else:
             d.set_demodulator("usb")
             d.set_bpf(0, 3000)