diff --git a/src/coreclr/debug/runtimeinfo/CMakeLists.txt b/src/coreclr/debug/runtimeinfo/CMakeLists.txt
index bcfe487d6d88b..d4dbcbf939d2a 100644
--- a/src/coreclr/debug/runtimeinfo/CMakeLists.txt
+++ b/src/coreclr/debug/runtimeinfo/CMakeLists.txt
@@ -41,19 +41,22 @@ install_clr(TARGETS runtimeinfo DESTINATIONS lib COMPONENT runtime)
 
 add_library(cdac_data_descriptor STATIC data-descriptor.c)
 
+
 set(GENERATED_CDAC_DESCRIPTOR_DIR "${CMAKE_CURRENT_BINARY_DIR}/cdac")
 
 if (CLR_CLR_HOST_WIN32)
 set(DOTNET_CMD "${CLR_REPO_ROOT_DIR}/dotnet.cmd")
+set(CONTRACT_DESCRIPTOR_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}\\cdac\\contract-descriptor.c")
 else()
 set(DOTNET_CMD "${CLR_REPO_ROOT_DIR}/dotnet.sh")
+set(CONTRACT_DESCRIPTOR_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/cdac/contract-descriptor.c")
 endif()
 set(CDAC_BUILD_TOOL_CSPROJ "${CLR_DIR}/tools/cdac-build-tool/cdac-build-tool.csproj")
 
 add_custom_command(
   OUTPUT "${GENERATED_CDAC_DESCRIPTOR_DIR}/contract-descriptor.c"
   VERBATIM
-  COMMAND "${DOTNET_CMD}" run --project "${CDAC_BUILD_TOOL_CSPROJ}" -c "$<CONFIG>" -- compose -o "${GENERATED_CDAC_DESCRIPTOR_DIR}/contract-descriptor.c" $<TARGET_OBJECTS:cdac_data_descriptor>
+  COMMAND "${DOTNET_CMD}" run --project "${CDAC_BUILD_TOOL_CSPROJ}" -c "$<CONFIG>" -- compose -o "${CONTRACT_DESCRIPTOR_OUTPUT}" $<TARGET_OBJECTS:cdac_data_descriptor>
   DEPENDS cdac_data_descriptor $<TARGET_OBJECTS:cdac_data_descriptor>
 )