diff --git a/src/bitvis.cpp b/src/bitvis.cpp
index c45c9b9..72c23da 100644
--- a/src/bitvis.cpp
+++ b/src/bitvis.cpp
@@ -48,6 +48,7 @@ CBitVis::CBitVis(int argc, char *argv[])
   m_nrbins = 1024;
   m_nrcolumns = 120;
   m_decay = 0.5;
+  m_fps = 30;
 
   m_fontheight = 0;
   InitChars();
@@ -253,7 +254,7 @@ void CBitVis::ProcessAudio()
           m_fftbuf[j] += cabsf(m_fft.m_outbuf[j]) / m_fft.m_bufsize;
       }
 
-      if (m_samplecounter % (samplerate / 30) == 0)
+      if (m_samplecounter % (samplerate / m_fps) == 0)
       {
         float start = 0.0f;
         float add = 1.0f;
diff --git a/src/bitvis.h b/src/bitvis.h
index c57ad22..5584d50 100644
--- a/src/bitvis.h
+++ b/src/bitvis.h
@@ -53,6 +53,7 @@ class CBitVis
     int         m_nrlines;
     int         m_fontdisplay;
     float       m_decay;
+    int         m_fps;
     int         m_fontheight;
     int         m_scrolloffset;
     int64_t     m_songupdatetime;