diff --git a/Modules/CMakeDetermineHIPCompiler.cmake b/Modules/CMakeDetermineHIPCompiler.cmake
index 7b7d7a3b4a..6294d047cf 100644
--- a/Modules/CMakeDetermineHIPCompiler.cmake
+++ b/Modules/CMakeDetermineHIPCompiler.cmake
@@ -86,6 +86,7 @@ if(NOT CMAKE_HIP_COMPILER_ROCM_ROOT AND CMAKE_HIP_COMPILER_ID STREQUAL "Clang")
 
   if(_CMAKE_HIP_COMPILER_RESULT EQUAL 0 AND _CMAKE_HIP_COMPILER_STDERR MATCHES "Found HIP installation: *([^,]*)[,\n]")
     set(CMAKE_HIP_COMPILER_ROCM_ROOT "${CMAKE_MATCH_1}")
+    file(TO_CMAKE_PATH "${CMAKE_HIP_COMPILER_ROCM_ROOT}" CMAKE_HIP_COMPILER_ROCM_ROOT)
   endif()
 endif()
 if(NOT CMAKE_HIP_COMPILER_ROCM_ROOT)