diff --git a/rowers/tasks.py b/rowers/tasks.py
index 2947d679..1bc6e09e 100644
--- a/rowers/tasks.py
+++ b/rowers/tasks.py
@@ -2123,13 +2123,15 @@ def handle_makeplot(f1, f2, t, hrdata, plotnr, imagename,
     hran = hrdata['hran']
     ftp = hrdata['ftp']
     powerzones = deserialize_list(hrdata['powerzones'])
+    hrzones = deserialize_list(hrdata['hrzones'])
     powerperc = np.array(deserialize_list(hrdata['powerperc'])).astype(float)
 
     rr = rowingdata.rower(hrmax=hrmax, hrut2=hrut2,
                           hrut1=hrut1, hrat=hrat,
                           hrtr=hrtr, hran=hran,
                           ftp=ftp, powerperc=powerperc,
-                          powerzones=powerzones)
+                          powerzones=powerzones,
+                          hrzones=hrzones)
     try:
         row = rdata(csvfile=f2, rower=rr)
     except IOError:
diff --git a/rowers/uploads.py b/rowers/uploads.py
index 4c9809b4..849efcd0 100644
--- a/rowers/uploads.py
+++ b/rowers/uploads.py
@@ -433,6 +433,7 @@ def make_plot(r,w,f1,f2,plottype,title,imagename='',plotnr=0):
         'ftp':ftp,
         'powerperc':serialize_list(powerperc),
         'powerzones':serialize_list(r.powerzones),
+        'hrzones':serialize_list(r.hrzones),
     }
 
     # make plot - asynchronous task
diff --git a/rowers/views/workoutviews.py b/rowers/views/workoutviews.py
index 73fe9be7..ea822a21 100644
--- a/rowers/views/workoutviews.py
+++ b/rowers/views/workoutviews.py
@@ -1290,7 +1290,8 @@ def remove_power_view(request,id=0):
     rr = rrower(hrmax=r.max, hrut2=r.ut2,
                 hrut1=r.ut1, hrat=r.at,
                 hrtr=r.tr, hran=r.an, ftp=r.ftp,
-                powerperc=powerperc, powerzones=r.powerzones)
+                powerperc=powerperc, powerzones=r.powerzones,
+                hrzones=r.hrzones)
     row = rdata(f,rower=rr)
     row.df[' Power (watts)'] = 0
     row.write_csv(f)
@@ -5837,7 +5838,8 @@ def workout_summary_restore_view(request,id,message="",successmessage=""):
     rr = rrower(hrmax=r.max,hrut2=r.ut2,
                 hrut1=r.ut1,hrat=r.at,
                 hrtr=r.tr,hran=r.an,ftp=ftp,
-                powerperc=powerperc,powerzones=r.powerzones)
+                powerperc=powerperc,powerzones=r.powerzones,
+                hrzones=r.hrzones)
     rowdata = rdata(f1,rower=rr)
     if rowdata == 0:
         raise Http404("Error: CSV Data File Not Found")
@@ -6094,7 +6096,8 @@ def workout_summary_edit_view(request,id,message="",successmessage=""
     rr = rrower(hrmax=r.max,hrut2=r.ut2,
                 hrut1=r.ut1,hrat=r.at,
                 hrtr=r.tr,hran=r.an,ftp=ftp,
-                powerperc=powerperc,powerzones=r.powerzones)
+                powerperc=powerperc,powerzones=r.powerzones,
+                hrzones=r.hrzones)
     rowdata = rdata(f1,rower=rr)
     if rowdata == 0:
         return HttpResponse("Error: CSV Data File Not Found")