diff --git a/artiq/gateware/targets/kasli.py b/artiq/gateware/targets/kasli.py
index f33788550..ef454235a 100755
--- a/artiq/gateware/targets/kasli.py
+++ b/artiq/gateware/targets/kasli.py
@@ -614,7 +614,7 @@ class Tester(_StandaloneBase):
         self.grabber_csr_group = []
         eem.DIO.add_std(self, 5,
             ttl_serdes_7series.InOut_8X, ttl_serdes_7series.Output_8X)
-        eem.Urukul.add_std(self, 1, 0, ttl_serdes_7series.Output_8X)
+        eem.Urukul.add_std(self, 0, 1, ttl_serdes_7series.Output_8X)
         eem.Sampler.add_std(self, 3, 2, ttl_serdes_7series.Output_8X)
         eem.Zotino.add_std(self, 4, ttl_serdes_7series.Output_8X)
         eem.Grabber.add_std(self, 6)