diff --git a/plugins/channel/tcpsrc/tcpsrc.cpp b/plugins/channel/tcpsrc/tcpsrc.cpp
index dff6a6bf5..2240214bb 100644
--- a/plugins/channel/tcpsrc/tcpsrc.cpp
+++ b/plugins/channel/tcpsrc/tcpsrc.cpp
@@ -116,7 +116,7 @@ bool TCPSrc::handleMessage(Message* cmd)
 		m_sampleDistanceRemain = m_inputSampleRate / m_outputSampleRate;
 		cmd->completed();
 		return true;
-	} else if(DSPSignalNotification::match(cmd)) {
+	} else if(MsgTCPSrcConfigure::match(cmd)) {
 		MsgTCPSrcConfigure* cfg = (MsgTCPSrcConfigure*)cmd;
 		m_sampleFormat = cfg->getSampleFormat();
 		m_outputSampleRate = cfg->getOutputSampleRate();
diff --git a/plugins/channel/tcpsrc/tcpsrc.h b/plugins/channel/tcpsrc/tcpsrc.h
index b39e63cb1..b26d8e6d5 100644
--- a/plugins/channel/tcpsrc/tcpsrc.h
+++ b/plugins/channel/tcpsrc/tcpsrc.h
@@ -8,7 +8,7 @@
 #include "dsp/interpolator.h"
 #include "util/message.h"
 
-#define ssbFftLen 1024
+#define ssbFftLen 2048
 
 class QTcpServer;
 class QTcpSocket;
diff --git a/plugins/channel/tcpsrc/tcpsrcgui.cpp b/plugins/channel/tcpsrc/tcpsrcgui.cpp
index a80303d34..1fbc1bc64 100644
--- a/plugins/channel/tcpsrc/tcpsrcgui.cpp
+++ b/plugins/channel/tcpsrc/tcpsrcgui.cpp
@@ -167,7 +167,7 @@ void TCPSrcGUI::applySettings()
 	bool ok;
 
 	Real outputSampleRate = ui->sampleRate->text().toDouble(&ok);
-	if((!ok) || (outputSampleRate < 100))
+	if((!ok) || (outputSampleRate < 1000))
 		outputSampleRate = 48000;
 	Real rfBandwidth = ui->rfBandwidth->text().toDouble(&ok);
 	if((!ok) || (rfBandwidth > outputSampleRate))
diff --git a/plugins/channel/tcpsrc/tcpsrcgui.ui b/plugins/channel/tcpsrc/tcpsrcgui.ui
index ae91c58bc..dc52aec07 100644
--- a/plugins/channel/tcpsrc/tcpsrcgui.ui
+++ b/plugins/channel/tcpsrc/tcpsrcgui.ui
@@ -157,7 +157,7 @@
      <widget class="QTreeWidget" name="connections">
       <property name="maximumSize">
        <size>
-        <width>16777215</width>
+        <width>400</width>
         <height>100</height>
        </size>
       </property>