diff --git a/rowers/interactiveplots.py b/rowers/interactiveplots.py
index eb524261..d21c61a2 100644
--- a/rowers/interactiveplots.py
+++ b/rowers/interactiveplots.py
@@ -1165,6 +1165,7 @@ def interactive_chart(id=0,promember=0):
 
 def interactive_multiflex(datadf,xparam,yparam,groupby,extratitle='',
                           ploterrorbars=False):
+
     if datadf.empty:
         return ['','<p>No non-zero data in selection</p>']
 
diff --git a/rowers/views.py b/rowers/views.py
index 978221a2..7de845ab 100644
--- a/rowers/views.py
+++ b/rowers/views.py
@@ -3499,13 +3499,14 @@ def multiflex_view(request,userid=0,
                 bins = np.arange(datadf[groupby].min()-binsize,
                                  datadf[groupby].max()+binsize,
                                  binsize)
-                groups = datadf.groupby(pd.cut(datadf[groupby],bins))
+                groups = datadf.groupby(pd.cut(datadf[groupby],bins,labels=False))
             else:
                 bins = np.arange(datadf['days ago'].min()-binsize,
                                  datadf['days ago'].max()+binsize,
                                  binsize,
                 )
-                groups = datadf.groupby(pd.cut(datadf['days ago'], bins))
+                groups = datadf.groupby(pd.cut(datadf['days ago'], bins,
+                                               labels=False))
             
 
             xvalues = groups.mean()[xparam]
@@ -3628,13 +3629,15 @@ def multiflex_view(request,userid=0,
                 bins = np.arange(datadf[groupby].min()-binsize,
                                  datadf[groupby].max()+binsize,
                                  binsize)
-                groups = datadf.groupby(pd.cut(datadf[groupby],bins))
+                groups = datadf.groupby(pd.cut(datadf[groupby],bins,
+                                               labels=False))
             else:
                 bins = np.arange(datadf['days ago'].min()-binsize,
                                  datadf['days ago'].max()+binsize,
                                  binsize,
                 )
-                groups = datadf.groupby(pd.cut(datadf['days ago'], bins))
+                groups = datadf.groupby(pd.cut(datadf['days ago'], bins,
+                                               labels=False))