diff --git a/renderdoc/driver/shaders/dxil/dxil_disassemble.cpp b/renderdoc/driver/shaders/dxil/dxil_disassemble.cpp
index dd5e35f97..ffeb1dc63 100644
--- a/renderdoc/driver/shaders/dxil/dxil_disassemble.cpp
+++ b/renderdoc/driver/shaders/dxil/dxil_disassemble.cpp
@@ -2307,8 +2307,9 @@ void Program::MakeRDDisassemblyString()
                     {
                       rdcstr dxParamName = dxFuncSig.substr(paramStart, paramEnd - paramStart);
                       paramStart = paramEnd + 1;
+                      lineStr += "/*";
                       lineStr += dxParamName;
-                      lineStr += " ";
+                      lineStr += "*/ ";
                     }
                   }
                   lineStr += ArgToString(inst.args[a], false);