diff --git a/Readme.md b/Readme.md
index d28b4a30a..1d3d3ce3b 100644
--- a/Readme.md
+++ b/Readme.md
@@ -66,6 +66,8 @@ If you use your own location for libbladeRF install directory you need to specif
 
 <h2>FunCube Dongle</h2>
 
+Linux only.
+
 Both Pro and Pro+ are supported with the plugins in fcdpro and fcdproplus respectively. For the Pro+ the band filter selection is not effective as it is handled by the firmware using the center frequency.
 
 The control interface is based on qthid and has been built in the software in the fcdhid library. You don't need anything else than libusb support. Library fcdlib is used to store the constants for each dongle type.
diff --git a/plugins/channeltx/modam/ammod.cpp b/plugins/channeltx/modam/ammod.cpp
index 66148a255..fb0f141a2 100644
--- a/plugins/channeltx/modam/ammod.cpp
+++ b/plugins/channeltx/modam/ammod.cpp
@@ -255,7 +255,7 @@ void AMMod::apply()
 		m_interpolatorDistanceRemain = 0;
 		m_interpolatorConsumed = false;
 		m_interpolatorDistance = (Real) m_config.m_audioSampleRate / (Real) m_config.m_outputSampleRate;
-        m_interpolator.create(48, m_config.m_outputSampleRate, m_config.m_rfBandwidth / 2.2, 3.0);
+        m_interpolator.create(48, m_config.m_audioSampleRate, m_config.m_rfBandwidth / 2.2, 3.0);
 		m_settingsMutex.unlock();
 	}