--- a/libs/basis_universal/CMakeLists.txt
+++ b/libs/basis_universal/CMakeLists.txt
@@ -29,9 +29,9 @@ else()
 endif()
 
 if(NOT basis_POPULATED)
-    if(COMMAND FetchContent_Populate)
-        FetchContent_Populate(basis)
-    endif()
+    set(basis_SOURCE_DIR "${EXTERNALS_DIR}/basis")
+    set(basis_BINARY_DIR "${PROJECT_BINARY_DIR}/externals/basis")
+
     if(CMAKE_SIZEOF_VOID_P EQUAL 8)
         set(BUILD_X64 FALSE CACHE BOOL "")
     endif()