diff --git a/csdr/chain/digimodes.py b/csdr/chain/digimodes.py
index e0ebcc1f..d13b1a58 100644
--- a/csdr/chain/digimodes.py
+++ b/csdr/chain/digimodes.py
@@ -192,7 +192,7 @@ class FaxDemodulator(ServiceDemodulator, DialFrequencyReceiver):
         pm = Config.get()
         self.parser      = FaxParser(service=service)
         self.sampleRate  = 12000
-        self.lpm         = 120
+        self.lpm         = pm["fax_lpm"]
         self.dbgTime     = 300000
         self.postProcess = pm["fax_postprocess"]
         self.color       = pm["fax_color"]
diff --git a/owrx/config/defaults.py b/owrx/config/defaults.py
index a1a4a214..d78f5129 100644
--- a/owrx/config/defaults.py
+++ b/owrx/config/defaults.py
@@ -205,6 +205,7 @@ defaultConfig = PropertyLayer(
     vdl2_ttl=1800,
     hfdl_ttl=1800,
     acars_ttl=1800,
+    fax_lpm=120,
     fax_postprocess=True,
     fax_color=False,
     fax_am=False,
diff --git a/owrx/controllers/settings/decoding.py b/owrx/controllers/settings/decoding.py
index 00974f7a..33af04e2 100644
--- a/owrx/controllers/settings/decoding.py
+++ b/owrx/controllers/settings/decoding.py
@@ -101,6 +101,12 @@ class DecodingSettingsController(SettingsFormController):
             ),
             Section(
                 "Fax transmissions",
+                NumberInput(
+                    "fax_lpm",
+                    "Transmission speed",
+                    validator=RangeValidator(30, 480),
+                    append="lpm",
+                ),
                 CheckboxInput("fax_postprocess", "Post-process received images to reduce noise"),
                 CheckboxInput("fax_color", "Receive color images"),
                 CheckboxInput("fax_am", "Use amplitude modulation"),