diff --git a/llvm/tools/dxil-dis/CMakeLists.txt b/llvm/tools/dxil-dis/CMakeLists.txt
--- a/llvm/tools/dxil-dis/CMakeLists.txt
+++ b/llvm/tools/dxil-dis/CMakeLists.txt
@@ -16,8 +16,13 @@
 endif ()
 
 if (DXIL_DIS)
+  if(WIN32)
+    set(DXIL_DIS_NAME "dxil-dis.exe")
+  else()
+    set(DXIL_DIS_NAME "dxil-dis")
+  endif()
   add_custom_target(dxil-dis
-    COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${DXIL_DIS}" "${LLVM_RUNTIME_OUTPUT_INTDIR}/dxil-dis")
+    COMMAND ${CMAKE_COMMAND} -E ${LLVM_LINK_OR_COPY} "${DXIL_DIS}" "${LLVM_RUNTIME_OUTPUT_INTDIR}/${DXIL_DIS_NAME}")
   return()
 endif ()