diff --git a/Source/Processors/DataThreads/RHD2000Editor.cpp b/Source/Processors/DataThreads/RHD2000Editor.cpp
index 30285b166badfbe3ffb12d68cf9939342977415b..7a40e81e06c867ded7ca8671ce3492f59e6d79c7 100644
--- a/Source/Processors/DataThreads/RHD2000Editor.cpp
+++ b/Source/Processors/DataThreads/RHD2000Editor.cpp
@@ -181,7 +181,7 @@ void FPGAchannelList::update()
     streamNames.add("Port D2");
     streamNames.add("ADC");
 
-    for (int k = 0; k < MAX_NUM_DATA_STREAMS + 1; k++)
+    for (int k = 0; k < MAX_NUM_HEADSTAGES + 1; k++)
     {
         if (hsActive[k])
         {
@@ -316,17 +316,29 @@ void FPGAchannelList::comboBoxChanged(ComboBox* b)
 
 void FPGAchannelList::updateImpedance(Array<int> streams, Array<int> channels, Array<float> magnitude, Array<float> phase)
 {
+	int i = 0;
     for (int k = 0; k < streams.size(); k++)
     {
-        channelComponents[k]->setImpedanceValues(magnitude[k], phase[k]);
+		if (i >= channelComponents.size())
+			break; //little safety
+
+		if (channelComponents[i]->type != HEADSTAGE_CHANNEL)
+		{
+			k--;
+		}
+		else
+		{
+			channelComponents[i]->setImpedanceValues(magnitude[k], phase[k]);
+		}
+		i++;
     }
 
 }
 
 
 /****************************************************/
-FPGAchannelComponent::FPGAchannelComponent(FPGAchannelList* cl, int ch, int gainIndex_, String N, Array<float> gains_, ChannelType type) :
-    gains(gains_), channelList(cl), channel(ch), name(N), gainIndex(gainIndex_)
+FPGAchannelComponent::FPGAchannelComponent(FPGAchannelList* cl, int ch, int gainIndex_, String N, Array<float> gains_, ChannelType type_) :
+gains(gains_), channelList(cl), channel(ch), name(N), gainIndex(gainIndex_), type(type_)
 {
     Font f = Font("Small Text", 13, Font::plain);
 
diff --git a/Source/Processors/DataThreads/RHD2000Editor.h b/Source/Processors/DataThreads/RHD2000Editor.h
index 9964ab22a68c841d82978fa84c706e7a3f5a62ee..8a6ed579b52f2e306c59c24a36a43f5a406c8bc1 100644
--- a/Source/Processors/DataThreads/RHD2000Editor.h
+++ b/Source/Processors/DataThreads/RHD2000Editor.h
@@ -95,7 +95,7 @@ private:
 class FPGAchannelComponent : public Component, public AccessClass, Button::Listener, public ComboBox::Listener, public Label::Listener
 {
 public:
-    FPGAchannelComponent(FPGAchannelList* cl, int ch, int gainIndex_, String name_, Array<float> gains_, ChannelType type);
+    FPGAchannelComponent(FPGAchannelList* cl, int ch, int gainIndex_, String name_, Array<float> gains_, ChannelType type_);
     ~FPGAchannelComponent();
     Colour getDefaultColor(int ID);
     void setImpedanceValues(float mag, float phase);
@@ -115,6 +115,8 @@ public:
     void labelTextChanged(Label* lbl);
 
     void resized();
+
+	const ChannelType type;
 private:
     Array<float> gains;
     FPGAchannelList* channelList;