diff --git a/artiq/gateware/targets/kasli.py b/artiq/gateware/targets/kasli.py
index 75fb0c3bf..5938fc947 100755
--- a/artiq/gateware/targets/kasli.py
+++ b/artiq/gateware/targets/kasli.py
@@ -462,12 +462,14 @@ class SatelliteBase(BaseSoC):
 
         platform = self.platform
 
-        disable_cdr_clk_ibuf = Signal(reset=1)
-        disable_cdr_clk_ibuf.attr.add("no_retiming")
         if self.platform.hw_rev == "v2.0":
             self.submodules.error_led = gpio.GPIOOut(Cat(
                 self.platform.request("error_led")))
             self.csr_devices.append("error_led")
+
+        disable_cdr_clk_ibuf = Signal(reset=1)
+        disable_cdr_clk_ibuf.attr.add("no_retiming")
+        if self.platform.hw_rev == "v2.0":
             cdr_clk_clean = self.platform.request("cdr_clk_clean")
         else:
             cdr_clk_clean = self.platform.request("si5324_clkout")