diff --git a/compiler/pgates/pgate.py b/compiler/pgates/pgate.py
index e845f018..918cd17b 100644
--- a/compiler/pgates/pgate.py
+++ b/compiler/pgates/pgate.py
@@ -304,22 +304,24 @@ class pgate(design.design):
             scaled_bin = bins[0] * scaling_factor
             
         else:
+            base_bins = []
             scaled_bins = []
             scaling_factors = []
             scaled_bins.append(bins[-1])
+            base_bins.append(bins[-1])
             scaling_factors.append(1)
             for width in bins[0:-1]:
                 m = math.ceil(target_width / width)
+                base_bins.append(width)
                 scaling_factors.append(m)
                 scaled_bins.append(m * width)
 
             select = bisect_left(scaled_bins, target_width)
             scaling_factor = scaling_factors[select]
             scaled_bin = scaled_bins[select]
-            select = (select + 1) % len(scaled_bins)
-            selected_bin = bins[select]
+            selected_bin = base_bins[select]
 
-        debug.info(2, "binning {0} tx, target: {4}, found {1} x {2} = {3}".format(tx_type, selected_bin, scaling_factor, scaled_bin, target_width))
+        debug.info(2, "binning {0} tx, target: {4}, found {1} x {2} = {3}".format(tx_type, selected_bin, scaling_factor, selected_bin * scaling_factor, target_width))
 
         return(selected_bin, scaling_factor)
 
diff --git a/compiler/pgates/ptx.py b/compiler/pgates/ptx.py
index 0cc3f951..a5d9c3b5 100644
--- a/compiler/pgates/ptx.py
+++ b/compiler/pgates/ptx.py
@@ -109,7 +109,7 @@ class ptx(design.design):
         perimeter_sd = 2 * self.poly_width + 2 * self.tx_width
         if OPTS.tech_name == "s8":
             # s8 technology is in microns
-            (self.width, self.mults) = pgate.bin_width(self.tx_type, self.tx_width)
+            (self.tx_width, self.mults) = pgate.bin_width(self.tx_type, self.tx_width)
             main_str = "M{{0}} {{1}} {0} m={1} w={2} l={3} ".format(spice[self.tx_type],
                                                                       self.mults,
                                                                       self.tx_width,