diff --git a/llvm/lib/WindowsManifest/CMakeLists.txt b/llvm/lib/WindowsManifest/CMakeLists.txt
index 8134ac8c815b44..910132a4c7decf 100644
--- a/llvm/lib/WindowsManifest/CMakeLists.txt
+++ b/llvm/lib/WindowsManifest/CMakeLists.txt
@@ -26,7 +26,7 @@ if(LLVM_ENABLE_LIBXML2)
     string(TOUPPER ${CMAKE_BUILD_TYPE} build_type)
     get_property(libxml2_library TARGET LibXml2::LibXml2 PROPERTY LOCATION_${build_type})
   endif()
-  if(NOT zlib_library)
+  if(NOT libxml2_library)
     get_property(libxml2_library TARGET LibXml2::LibXml2 PROPERTY LOCATION)
   endif()
   get_library_name(${libxml2_library} libxml2_library)