diff --git a/compiler/pgates/ptx.py b/compiler/pgates/ptx.py
index 07d04028..eb50e6df 100644
--- a/compiler/pgates/ptx.py
+++ b/compiler/pgates/ptx.py
@@ -68,12 +68,12 @@ class ptx(design.design):
         # Just make a guess since these will actually be decided in the layout later.
         area_sd = 2.5*drc("minwidth_poly")*self.tx_width
         perimeter_sd = 2*drc("minwidth_poly") + 2*self.tx_width
-        self.spice_device="M{{0}} {{1}} {0} m={1} w={2}u l={3}u pd={4}u ps={4}u as={5}p ad={5}p".format(spice[self.tx_type],
-                                                                                                    self.mults,
-                                                                                                    self.tx_width,
-                                                                                                    drc("minwidth_poly"),
-                                                                                                    perimeter_sd,
-                                                                                                    area_sd)
+        self.spice_device="M{{0}} {{1}} {0} m={1} w={2}u l={3}u pd={4:.2f}u ps={4:.2f}u as={5:.2f}p ad={5:.2f}p".format(spice[self.tx_type],
+                                                                                                                        self.mults,
+                                                                                                                        self.tx_width,
+                                                                                                                        drc("minwidth_poly"),
+                                                                                                                        perimeter_sd,
+                                                                                                                        area_sd)
         self.spice.append("\n* ptx " + self.spice_device)
         # self.spice.append(".ENDS {0}".format(self.name))