fix crash drawing 1 bar

1 files changed, 1 insertions, 1 deletions

diff --git a/gui/src/AudioPlotter.cpp b/gui/src/AudioPlotter.cpp
index a4ea5f3..7c775fa 100644
--- a/gui/src/AudioPlotter.cpp
+++ b/gui/src/AudioPlotter.cpp
@@ -64,7 +64,7 @@ void Audioplotter::addpoints(vector <float> &audio){
     vector <colourPolyline> newdata;
     if (joined){
             colourPolyline line;
-            if (bars){
+            if (bars&&num>1){
                     for (int i=0;i<num-1;i++){
                             line.addVertex(((step*(i+1))*ofGetWidth())/audio.size(),(0.5f+audio[step*(i+1)])*ofGetHeight(),startColour);
                             line.addVertex(((step*(i+2))*ofGetWidth())/audio.size(),(0.5f+audio[step*(i+1)])*ofGetHeight(),startColour);