diff --git a/artiq/gateware/dsp/tools.py b/artiq/gateware/dsp/tools.py
index c198d1706..d4ddb2158 100644
--- a/artiq/gateware/dsp/tools.py
+++ b/artiq/gateware/dsp/tools.py
@@ -66,4 +66,5 @@ class SatAddMixin:
                     limited.eq(limits[1]),
                 )
             ]
+        self.comb += limited.eq(full)
         return limited