diff --git a/bliss/controllers/motors/shexapodV1.py b/bliss/controllers/motors/shexapodV1.py
index a8c1c4d34ff27751c9f3f7ec7aa55331181136c2..77500206f9e8a099e969d775a5aec7de54ee8559 100644
--- a/bliss/controllers/motors/shexapodV1.py
+++ b/bliss/controllers/motors/shexapodV1.py
@@ -304,7 +304,7 @@ class HexapodProtocolV1(BaseHexapodProtocol):
         return self._cs_limits(self.MACHINE_CS)
 
     def _cs_limits_enabled(self, cs):
-        self.pmac("&2 Q20=34" % cs)
+        self.pmac("&2 Q20=%d" % cs)
         self.wait_command()
         enabled = self.pmac("&2 Q80", bool)
         if cs == self.MACHINE_CS: