diff --git a/litescope/software/dump/common.py b/litescope/software/dump/common.py
index e7d004e..55d10c8 100644
--- a/litescope/software/dump/common.py
+++ b/litescope/software/dump/common.py
@@ -70,7 +70,7 @@ class Dump:
             values2x = [values[i//2] for i in range(len(values)*2)]
             self.add(DumpVariable(s, n, values2x))
             i += n
-        self.add(DumpVariable("clk", 1, [1, 0]*(len(self)//2)))
+        self.add(DumpVariable("capture_clk", 1, [1, 0]*(len(self)//2)))
 
     def __len__(self):
         l = 0