diff --git a/eeschema/sim/sim_plot_frame.cpp b/eeschema/sim/sim_plot_frame.cpp
index 6c53e77825..d333574689 100644
--- a/eeschema/sim/sim_plot_frame.cpp
+++ b/eeschema/sim/sim_plot_frame.cpp
@@ -329,7 +329,7 @@ SIM_PLOT_PANEL* SIM_PLOT_FRAME::NewPlotPanel( SIM_TYPE aSimType )
         m_welcomePanel = nullptr;
     }
 
-    m_plotNotebook->AddPage( plotPanel, wxString::Format( wxT( "Plot%u" ),
+    m_plotNotebook->AddPage( plotPanel, wxString::Format( _( "Plot%u" ),
             (unsigned int) m_plotNotebook->GetPageCount() + 1 ), true );
 
     m_plots[plotPanel] = PLOT_INFO();
diff --git a/eeschema/sim/sim_plot_panel.cpp b/eeschema/sim/sim_plot_panel.cpp
index 65c4a40799..b64d7b8f5e 100644
--- a/eeschema/sim/sim_plot_panel.cpp
+++ b/eeschema/sim/sim_plot_panel.cpp
@@ -377,27 +377,27 @@ SIM_PLOT_PANEL::SIM_PLOT_PANEL( SIM_TYPE aType, wxWindow* parent, wxWindowID id,
     switch( m_type )
     {
         case ST_AC:
-            m_axis_x = new FREQUENCY_LOG_SCALE( wxT( "Frequency" ), mpALIGN_BOTTOM );
-            m_axis_y1 = new GAIN_SCALE( wxT( "Gain" ), mpALIGN_LEFT );
-            m_axis_y2 = new PHASE_SCALE( wxT( "Phase" ), mpALIGN_RIGHT );
+            m_axis_x = new FREQUENCY_LOG_SCALE( _( "Frequency" ), mpALIGN_BOTTOM );
+            m_axis_y1 = new GAIN_SCALE( _( "Gain" ), mpALIGN_LEFT );
+            m_axis_y2 = new PHASE_SCALE( _( "Phase" ), mpALIGN_RIGHT );
             m_axis_y2->SetMasterScale( m_axis_y1 );
             break;
 
         case ST_DC:
-            m_axis_x = new VOLTAGE_SCALE_X( wxT( "Voltage (sweeped)" ), mpALIGN_BOTTOM );
-            m_axis_y1 = new VOLTAGE_SCALE_Y( wxT( "Voltage (measured)" ), mpALIGN_LEFT );
-            m_axis_y2 = new CURRENT_SCALE( wxT( "Current" ), mpALIGN_RIGHT );
+            m_axis_x = new VOLTAGE_SCALE_X( _( "Voltage (sweeped)" ), mpALIGN_BOTTOM );
+            m_axis_y1 = new VOLTAGE_SCALE_Y( _( "Voltage (measured)" ), mpALIGN_LEFT );
+            m_axis_y2 = new CURRENT_SCALE( _( "Current" ), mpALIGN_RIGHT );
             break;
 
         case ST_NOISE:
-            m_axis_x = new FREQUENCY_LOG_SCALE( wxT( "Frequency" ), mpALIGN_BOTTOM );
-            m_axis_y1 = new mpScaleY( wxT( "noise [(V or A)^2/Hz]" ), mpALIGN_LEFT );
+            m_axis_x = new FREQUENCY_LOG_SCALE( _( "Frequency" ), mpALIGN_BOTTOM );
+            m_axis_y1 = new mpScaleY( _( "noise [(V or A)^2/Hz]" ), mpALIGN_LEFT );
             break;
 
         case ST_TRANSIENT:
-            m_axis_x = new TIME_SCALE( wxT( "Time" ), mpALIGN_BOTTOM );
-            m_axis_y1 = new VOLTAGE_SCALE_Y( wxT( "Voltage" ), mpALIGN_LEFT );
-            m_axis_y2 = new CURRENT_SCALE( wxT( "Current" ), mpALIGN_RIGHT );
+            m_axis_x = new TIME_SCALE( _( "Time" ), mpALIGN_BOTTOM );
+            m_axis_y1 = new VOLTAGE_SCALE_Y( _( "Voltage" ), mpALIGN_LEFT );
+            m_axis_y2 = new CURRENT_SCALE( _( "Current" ), mpALIGN_RIGHT );
             m_axis_y2->SetMasterScale( m_axis_y1 );
             break;