diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
index a78833c8..0bd33279 100644
--- a/examples/CMakeLists.txt
+++ b/examples/CMakeLists.txt
@@ -1,9 +1,9 @@
 include_directories(${PROJECT_BINARY_DIR}/src/include ${PROJECT_SOURCE_DIR}/src/include)
 enable_testing()
 add_custom_target(link_data
-    COMMAND ${CMAKE_COMMAND} -E copy
+    COMMAND ${CMAKE_COMMAND} -E copy_directory
         ${CMAKE_CURRENT_SOURCE_DIR}/Data ${CMAKE_CURRENT_BINARY_DIR}/Data
-    COMMAND ${CMAKE_COMMAND} -E copy
+    COMMAND ${CMAKE_COMMAND} -E copy_directory
         ${CMAKE_CURRENT_SOURCE_DIR}/Data_specfun
         ${CMAKE_CURRENT_BINARY_DIR}/Data_specfun)