diff --git a/plotter.cpp b/plotter.cpp
index 64e0347d..1e82564f 100644
--- a/plotter.cpp
+++ b/plotter.cpp
@@ -66,8 +66,6 @@ CPlotter::CPlotter(QWidget *parent) :                  //CPlotter Constructor
   m_plot2dGain {0},
   m_plot2dZero {0},
   m_nSubMode {0},
-  m_filterCenter {0},
-  m_filterWidth {0},
   m_fftBinWidth {1500.0/2048.0},
   m_dialFreq {0.},
   m_line {0},
diff --git a/plotter.h b/plotter.h
index 721022a4..b2566fe1 100644
--- a/plotter.h
+++ b/plotter.h
@@ -156,8 +156,8 @@ private:
   bool    m_replot         = false;
   bool    m_flatten        = false;
 
-  int     m_filterCenter;
-  int     m_filterWidth;
+  int     m_filterCenter = 0;
+  int     m_filterWidth  = 0;
 
   double  m_fftBinWidth;
   double  m_dialFreq;