diff --git a/litex/build/sim/platform.py b/litex/build/sim/platform.py
index a31656da3..35456ae57 100644
--- a/litex/build/sim/platform.py
+++ b/litex/build/sim/platform.py
@@ -28,11 +28,11 @@ class SimPlatform(GenericPlatform):
         # we must always request the sim_trace signal
         self.trace = self.request("sim_trace")
 
-    def request(self, name, number=None):
+    def request(self, name, number=None, loose=False):
         index = ""
         if number is not None:
             index = str(number)
-        obj = GenericPlatform.request(self, name, number=number)
+        obj = GenericPlatform.request(self, name, number=number, loose=loose)
         siglist = []
         if isinstance(obj, Signal):
             siglist.append((name, obj.nbits, name))