diff --git a/cmake/modules/CGAL_Eigen3_support.cmake b/cmake/modules/CGAL_Eigen3_support.cmake
index cc0df0fad10..bfcf56c7c2f 100644
--- a/cmake/modules/CGAL_Eigen3_support.cmake
+++ b/cmake/modules/CGAL_Eigen3_support.cmake
@@ -1,9 +1,14 @@
-if(EIGEN3_FOUND AND NOT TARGET CGAL::Eigen3_support)
+if((EIGEN3_FOUND OR Eigen3_FOUND) AND NOT TARGET CGAL::Eigen3_support)
   if(NOT TARGET Threads::Threads)
     find_package(Threads REQUIRED)
   endif()
   add_library(CGAL::Eigen3_support INTERFACE IMPORTED)
   set_target_properties(CGAL::Eigen3_support PROPERTIES
-    INTERFACE_COMPILE_DEFINITIONS "CGAL_EIGEN3_ENABLED"
-    INTERFACE_INCLUDE_DIRECTORIES "${EIGEN3_INCLUDE_DIR}")
+    INTERFACE_COMPILE_DEFINITIONS "CGAL_EIGEN3_ENABLED")
+  if(TARGET Eigen3::Eigen)
+    target_link_libraries(CGAL::Eigen3_support INTERFACE Eigen3::Eigen)
+  else()
+    set_target_properties(CGAL::Eigen3_support PROPERTIES
+      INTERFACE_INCLUDE_DIRECTORIES "${EIGEN3_INCLUDE_DIR}")
+  endif()
 endif()