diff --git a/artiq/gateware/targets/kasli_generic.py b/artiq/gateware/targets/kasli_generic.py
index 85fbdc70d..122c3e0cf 100755
--- a/artiq/gateware/targets/kasli_generic.py
+++ b/artiq/gateware/targets/kasli_generic.py
@@ -48,9 +48,10 @@ class GenericStandalone(StandaloneBase):
                 self.rtio_channels.append(rtio.Channel.from_phy(phy))
         if hw_rev == "v2.0":
             for i in (1, 2):
+                print("USER LED at RTIO channel 0x{:06x}".format(len(self.rtio_channels)))
                 phy = ttl_simple.Output(self.platform.request("user_led", i))
                 self.submodules += phy
-                self.rtio_channels.append(rtio.Channel.from_phy(phy)) 
+                self.rtio_channels.append(rtio.Channel.from_phy(phy))
 
         self.config["HAS_RTIO_LOG"] = None
         self.config["RTIO_LOG_CHANNEL"] = len(self.rtio_channels)