diff --git a/eeschema/sim/sim_plot_frame.cpp b/eeschema/sim/sim_plot_frame.cpp
index b205d28ff6..d605c50278 100644
--- a/eeschema/sim/sim_plot_frame.cpp
+++ b/eeschema/sim/sim_plot_frame.cpp
@@ -304,8 +304,8 @@ bool SIM_PLOT_FRAME::updatePlot( const wxString& aSpiceName, const wxString& aNa
             if( data_mag.empty() || data_phase.empty() )
                 return false;
 
-            aPanel->AddTrace( aSpiceName, aName + " (mag)", size, data_x.data(), data_mag.data(), 0 );
-            aPanel->AddTrace( aSpiceName, aName + " (phase)", size, data_x.data(), data_phase.data(), SPF_AC_PHASE );
+            aPanel->AddTrace( aSpiceName, aName, size, data_x.data(), data_mag.data(), SPF_AC_MAG );
+            aPanel->AddTrace( aSpiceName, aName, size, data_x.data(), data_phase.data(), SPF_AC_PHASE );
         }
         break;
 
@@ -429,7 +429,7 @@ void SIM_PLOT_FRAME::menuSaveCsv( wxCommandEvent& event )
             timeWritten = true;
         }
 
-        out.Write( wxString::Format( "%s%c", t.first, SEPARATOR ) );
+        out.Write( wxString::Format( "%s%c", t.first.GetDescription(), SEPARATOR ) );
 
         for( double v : trace->GetDataY() )
             out.Write( wxString::Format( "%f%c", v, SEPARATOR ) );
@@ -612,7 +612,7 @@ void SIM_PLOT_FRAME::onCursorUpdate( wxCommandEvent& event )
         if( CURSOR* cursor = trace.second->GetCursor() )
         {
             const wxRealPoint coords = cursor->GetCoords();
-            long idx = m_cursors->InsertItem( SIGNAL_COL, trace.first );
+            long idx = m_cursors->InsertItem( SIGNAL_COL, trace.first.GetDescription() );
             m_cursors->SetItem( idx, X_COL, wxString::Format( "%f", coords.x ) );
             m_cursors->SetItem( idx, Y_COL, wxString::Format( "%f", coords.y ) );
         }
@@ -646,7 +646,7 @@ void SIM_PLOT_FRAME::onSimFinished( wxCommandEvent& aEvent )
     if( SIM_PLOT_PANEL::IsPlottable( simType ) )
     {
         for( const auto& trace : plotPanel->GetTraces() )
-            updatePlot( trace.second->GetSpiceName(), trace.second->GetName(), plotPanel );
+            updatePlot( trace.second->GetSpiceName(), trace.first.GetName(), plotPanel );
 
         plotPanel->UpdateAll();
     }
diff --git a/eeschema/sim/sim_plot_panel.cpp b/eeschema/sim/sim_plot_panel.cpp
index 342f8d90fd..2c9cecd8df 100644
--- a/eeschema/sim/sim_plot_panel.cpp
+++ b/eeschema/sim/sim_plot_panel.cpp
@@ -237,6 +237,44 @@ void CURSOR::Plot( wxDC& aDC, mpWindow& aWindow )
 }
 
 
+TRACE_DESC::TRACE_DESC( const wxString& aDescription )
+    : m_name( aDescription )
+{
+    for( const auto& desc : m_descMap )
+    {
+        if( m_name.EndsWith( desc.second ) )
+        {
+            m_type = desc.first;
+            m_name.Replace( desc.second, "" );
+        }
+    }
+}
+
+
+wxString TRACE_DESC::GetDescription() const
+{
+    wxString res( m_name );
+
+    for( const auto& desc : m_descMap )
+    {
+        if( m_type == desc.first )
+        {
+            res += desc.second;
+            break;
+        }
+    }
+
+    return res;
+}
+
+
+const std::map<SIM_PLOT_FLAGS, wxString> TRACE_DESC::m_descMap =
+{
+    { SPF_AC_PHASE, wxT( " (phase)" ) },
+    { SPF_AC_MAG, wxT( " (mag)" ) }
+};
+
+
 SIM_PLOT_PANEL::SIM_PLOT_PANEL( SIM_TYPE aType, wxWindow* parent, wxWindowID id, const wxPoint& pos,
                 const wxSize& size, long style, const wxString& name )
     : mpWindow( parent, id, pos, size, style ), m_colorIdx( 0 ),
@@ -341,8 +379,15 @@ bool SIM_PLOT_PANEL::AddTrace( const wxString& aSpiceName, const wxString& aName
 {
     TRACE* t = NULL;
 
+    wxString name( aName );
+
+    if( aFlags == SPF_AC_MAG )
+        name += " (mag)";
+    else if( aFlags == SPF_AC_PHASE )
+        name += " (phase)";
+
     // Find previous entry, if there is one
-    auto prev = m_traces.find( aName );
+    auto prev = m_traces.find( TRACE_DESC( aName, (SIM_PLOT_FLAGS) aFlags ) );
     bool addedNewEntry = ( prev == m_traces.end() );
 
     if( addedNewEntry )
@@ -351,18 +396,18 @@ bool SIM_PLOT_PANEL::AddTrace( const wxString& aSpiceName, const wxString& aName
         switch ( m_type )
         {
             case ST_TRANSIENT:
-                t = new TRACE_TRANSIENT( aName, aSpiceName );
+                t = new TRACE_TRANSIENT( name, aSpiceName );
                 break;
             case ST_AC:
                 //printf("makeFreqResp!\n");
-                t = new TRACE_FREQ_RESPONSE( aName, aSpiceName );
+                t = new TRACE_FREQ_RESPONSE( name, aSpiceName );
                 break;
             default:
                 assert(false);
         }
 
         t->SetPen( wxPen( generateColor(), 2, wxSOLID ) );
-        m_traces[aName] = t;
+        m_traces[TRACE_DESC( aName, (SIM_PLOT_FLAGS) aFlags )] = t;
 
         // It is a trick to keep legend & coords always on the top
         for( mpLayer* l : m_topLevel )
@@ -409,7 +454,7 @@ bool SIM_PLOT_PANEL::AddTrace( const wxString& aSpiceName, const wxString& aName
 
 bool SIM_PLOT_PANEL::DeleteTrace( const wxString& aName )
 {
-    auto it = m_traces.find( aName );
+    auto it = m_traces.find( TRACE_DESC( aName ) );
 
     if( it != m_traces.end() )
     {
@@ -432,7 +477,7 @@ void SIM_PLOT_PANEL::DeleteAllTraces()
 {
     for( auto& t : m_traces )
     {
-        DeleteTrace( t.first );
+        DeleteTrace( t.first.GetDescription() );
     }
 
     m_traces.clear();
diff --git a/eeschema/sim/sim_plot_panel.h b/eeschema/sim/sim_plot_panel.h
index 4eb44bc2fc..a4394f4c5c 100644
--- a/eeschema/sim/sim_plot_panel.h
+++ b/eeschema/sim/sim_plot_panel.h
@@ -91,7 +91,7 @@ class TRACE : public mpFXYVector
 {
 public:
     TRACE( const wxString& aName, const wxString& aSpiceName ) :
-        mpFXYVector ( aName ), m_spiceName( aSpiceName ), m_cursor( nullptr )
+        mpFXYVector( aName ), m_spiceName( aSpiceName ), m_cursor( nullptr )
         {
             SetContinuity( true );
             SetDrawOutsideMargins( false );
@@ -156,7 +156,42 @@ public:
 };
 
 enum SIM_PLOT_FLAGS {
-    SPF_AC_PHASE = 0x1
+    SPF_AC_PHASE = 0x01,
+    SPF_AC_MAG   = 0x02
+};
+
+class TRACE_DESC
+{
+public:
+    TRACE_DESC( const wxString& aName, SIM_PLOT_FLAGS aType )
+        : m_name( aName ), m_type( aType )
+    {
+    }
+
+    TRACE_DESC( const wxString& aDescription );
+
+    wxString GetDescription() const;
+
+    const wxString& GetName() const
+    {
+        return m_name;
+    }
+
+    SIM_PLOT_FLAGS GetType() const
+    {
+        return m_type;
+    }
+
+    bool operator<( const TRACE_DESC& aOther ) const
+    {
+        return ( m_name < aOther.m_name ) || ( m_name == aOther.m_name && m_type < aOther.m_type );
+    }
+
+private:
+    wxString m_name;
+    SIM_PLOT_FLAGS m_type;
+
+    static const std::map<SIM_PLOT_FLAGS, wxString> m_descMap;
 };
 
 class SIM_PLOT_PANEL : public mpWindow
@@ -198,17 +233,17 @@ public:
 
     bool IsShown( const wxString& aName ) const
     {
-        return ( m_traces.count( aName ) != 0 );
+        return m_traces.count( TRACE_DESC( aName ) ) > 0;
     }
 
-    const std::map<wxString, TRACE*>& GetTraces() const
+    const std::map<TRACE_DESC, TRACE*>& GetTraces() const
     {
         return m_traces;
     }
 
     TRACE* GetTrace( const wxString& aName ) const
     {
-        auto trace = m_traces.find( aName );
+        auto trace = m_traces.find( TRACE_DESC( aName ) );
 
         return trace == m_traces.end() ? NULL : trace->second;
     }
@@ -259,7 +294,7 @@ private:
     unsigned int m_colorIdx;
 
     // Traces to be plotted
-    std::map<wxString, TRACE*> m_traces;
+    std::map<TRACE_DESC, TRACE*> m_traces;
 
     mpScaleXBase* m_axis_x;
     mpScaleY* m_axis_y1;