diff --git a/plugins/channelrx/demodwfm/wfmdemodgui.cpp b/plugins/channelrx/demodwfm/wfmdemodgui.cpp
index 98bd34d58..cd9fe2aa8 100644
--- a/plugins/channelrx/demodwfm/wfmdemodgui.cpp
+++ b/plugins/channelrx/demodwfm/wfmdemodgui.cpp
@@ -1,4 +1,4 @@
-#include "../../channelrx/demodwfm/wfmdemodgui.h"
+#include "wfmdemodgui.h"
 
 #include <device/devicesourceapi.h>
 #include <dsp/downchannelizer.h>
diff --git a/plugins/channelrx/demodwfm/wfmplugin.cpp b/plugins/channelrx/demodwfm/wfmplugin.cpp
index 27f444999..c478feb97 100644
--- a/plugins/channelrx/demodwfm/wfmplugin.cpp
+++ b/plugins/channelrx/demodwfm/wfmplugin.cpp
@@ -1,13 +1,13 @@
-#include "../../channelrx/demodwfm/wfmplugin.h"
+#include "wfmplugin.h"
 
 #include <QtPlugin>
 #include "plugin/pluginapi.h"
 
-#include "../../channelrx/demodwfm/wfmdemodgui.h"
+#include "wfmdemodgui.h"
 
 const PluginDescriptor WFMPlugin::m_pluginDescriptor = {
 	QString("WFM Demodulator"),
-	QString("3.0.0"),
+	QString("3.1.0"),
 	QString("(c) Edouard Griffiths, F4EXB"),
 	QString("https://github.com/f4exb/sdrangel"),
 	true,
diff --git a/plugins/channeltx/modwfm/wfmmodgui.cpp b/plugins/channeltx/modwfm/wfmmodgui.cpp
index 529027d56..36ca68896 100644
--- a/plugins/channeltx/modwfm/wfmmodgui.cpp
+++ b/plugins/channeltx/modwfm/wfmmodgui.cpp
@@ -40,14 +40,6 @@ const int WFMModGUI::m_rfBW[] = {
 };
 const int WFMModGUI::m_nbRfBW = 14;
 
-int WFMModGUI::requiredBW(int rfBW)
-{
-    if (rfBW < 96000)
-        return 96000;
-    else
-        return 384000;
-}
-
 WFMModGUI* WFMModGUI::create(PluginAPI* pluginAPI, DeviceSinkAPI *deviceAPI)
 {
     WFMModGUI* gui = new WFMModGUI(pluginAPI, deviceAPI);
diff --git a/plugins/channeltx/modwfm/wfmmodgui.h b/plugins/channeltx/modwfm/wfmmodgui.h
index e9f0512e0..11dd3b9ed 100644
--- a/plugins/channeltx/modwfm/wfmmodgui.h
+++ b/plugins/channeltx/modwfm/wfmmodgui.h
@@ -109,7 +109,6 @@ private:
     explicit WFMModGUI(PluginAPI* pluginAPI, DeviceSinkAPI *deviceAPI, QWidget* parent = NULL);
     virtual ~WFMModGUI();
 
-    int requiredBW(int rfBW);
     void blockApplySettings(bool block);
     void applySettings();
     void updateWithStreamData();
@@ -117,6 +116,15 @@ private:
 
     void leaveEvent(QEvent*);
     void enterEvent(QEvent*);
+
+    static int requiredBW(int rfBW)
+    {
+        if (rfBW <= 96000) {
+            return 96000;
+        } else {
+            return (3*rfBW)/2;
+        }
+    }
 };
 
 #endif /* PLUGINS_CHANNELTX_MODWFM_WFMMODGUI_H_ */
diff --git a/plugins/channeltx/modwfm/wfmmodplugin.cpp b/plugins/channeltx/modwfm/wfmmodplugin.cpp
index 5f93a801e..f7fa2d6c8 100644
--- a/plugins/channeltx/modwfm/wfmmodplugin.cpp
+++ b/plugins/channeltx/modwfm/wfmmodplugin.cpp
@@ -23,7 +23,7 @@
 
 const PluginDescriptor WFMModPlugin::m_pluginDescriptor = {
     QString("WFM Modulator"),
-    QString("3.0.0"),
+    QString("3.1.0"),
     QString("(c) Edouard Griffiths, F4EXB"),
     QString("https://github.com/f4exb/sdrangel"),
     true,