diff --git a/cmake/CMakeLists.txt b/cmake/CMakeLists.txt
index 9856a14e33..98b9aa51ca 100644
--- a/cmake/CMakeLists.txt
+++ b/cmake/CMakeLists.txt
@@ -234,6 +234,7 @@ if(BUILD_OMP)
 
   if (((CMAKE_CXX_COMPILER_ID STREQUAL "GNU") AND (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 9.0)) OR
       (CMAKE_CXX_COMPILER_ID STREQUAL "PGI") OR
+      ((CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang") AND (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.0)) OR
       ((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") AND (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 10.0)) OR
       ((CMAKE_CXX_COMPILER_ID STREQUAL "Intel") AND (CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL 19.0)))
     # GCC 9.x and later plus Clang 10.x and later implement strict OpenMP 4.0 semantics for consts.
diff --git a/cmake/Modules/Packages/USER-HDNNP.cmake b/cmake/Modules/Packages/USER-HDNNP.cmake
index df1341fd84..6770ed112b 100644
--- a/cmake/Modules/Packages/USER-HDNNP.cmake
+++ b/cmake/Modules/Packages/USER-HDNNP.cmake
@@ -11,7 +11,7 @@ if(DOWNLOAD_N2P2)
   mark_as_advanced(N2P2_URL)
   mark_as_advanced(N2P2_MD5)
 
-  if(${CMAKE_CXX_COMPILER_ID} STREQUAL "Clang")
+  if((CMAKE_CXX_COMPILER_ID STREQUAL "Clang") OR (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"))
     set(N2P2_COMP llvm)
     set(N2P2_CXX_STD "-std=c++11")
   elseif(${CMAKE_CXX_COMPILER_ID} STREQUAL "Intel")