diff --git a/iexcode/instruments/slits.py b/iexcode/instruments/slits.py
index e4e394caaebefc4d68378a819444a45a84b6a7b7..6d961d1cec8a69ee444febdb0a47c00ee13d0715 100644
--- a/iexcode/instruments/slits.py
+++ b/iexcode/instruments/slits.py
@@ -68,10 +68,10 @@ def slits_pvs(slit_name):
             center.append((center_rbv,center_val))
         else:
             for slit_HV in d[slit_name]:
-                size_rbv = slit_HV +'size.VAL'
-                size_val = slit_HV +'t2.C'
-                center_rbv = slit_HV +'center.VAL'
-                center_val = slit_HV +'t2.D'
+                size_val = slit_HV +'size.VAL'
+                size_rbv = slit_HV +'t2.C'
+                center_val = slit_HV +'center.VAL'
+                center_rbv = slit_HV +'t2.D'
                 size.append((size_val,size_rbv))
                 center.append((center_val,center_rbv))
     else:
diff --git a/iexcode/macros/quick_plot.py b/iexcode/macros/quick_plot.py
index 628efda5bb7e0f73edb8cc7a146ea8d02c9f23db..f48fff1f7b227804d45b852e8d229717e1c247bb 100755
--- a/iexcode/macros/quick_plot.py
+++ b/iexcode/macros/quick_plot.py
@@ -1219,7 +1219,7 @@ def fit_mda(scannum,det,FWHM_or_PolyOrder,fct,hkl_positionner=False,xrange=None,
 
     if hkl_positionner == False:
         x,y,x_name,y_name=mda_1D(scannum,det,1,0,filepath,prefix)
-    if hkl_positionner:
+    else:
         d={'h':46,'k':47,'l':48,'tth':54,'th':55,'chi':56,'phi':57}
         x,y,x_name,y_name=mda_1D_vsDet(scannum,det,d[hkl_positionner.lower()],1,0,filepath,prefix)