diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index adec83256f..10760ae835 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -205,8 +205,6 @@ UNIFY_ENVVARS_AND_CACHE(EIGEN_DIR)
 if(NOT MINIMAL_BUILD)
     UNIFY_ENVVARS_AND_CACHE(OPENCOLLADA_INCLUDE_DIR)
     UNIFY_ENVVARS_AND_CACHE(OPENCOLLADA_LIBRARY_DIR)
-    UNIFY_ENVVARS_AND_CACHE(LIBXML2_INCLUDE_DIR)
-    UNIFY_ENVVARS_AND_CACHE(LIBXML2_LIBRARIES)
     UNIFY_ENVVARS_AND_CACHE(PCRE_LIBRARY_DIR)
     UNIFY_ENVVARS_AND_CACHE(PYTHON_INCLUDE_DIR)
     UNIFY_ENVVARS_AND_CACHE(PYTHON_LIBRARY)
diff --git a/cmake/FindLibXml2.cmake b/cmake/FindLibXml2.cmake
index e0ee4975e5..0bfab4f2b6 100644
--- a/cmake/FindLibXml2.cmake
+++ b/cmake/FindLibXml2.cmake
@@ -13,6 +13,9 @@
 # To avoid cyclic calls to this file
 list(REMOVE_ITEM CMAKE_MODULE_PATH ${CMAKE_SOURCE_DIR})
 
+UNIFY_ENVVARS_AND_CACHE(LIBXML2_INCLUDE_DIR)
+UNIFY_ENVVARS_AND_CACHE(LIBXML2_LIBRARIES)
+
 if((NOT LIBXML2_INCLUDE_DIR AND NOT LIBXML2_LIBRARIES))
     # First try config mode (probably works with vcpkg, Conan, macOS brew installs, but not on ubuntu 22.04)
     # CONFIG is provided using root path, so no need to clear sysroot here.