diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4bf136dfb..a19d5840f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,5 +1,9 @@
 cmake_minimum_required( VERSION 3.25 )
 
+if(DEFINED CMAKE_OSX_SYSROOT AND NOT EXISTS "${CMAKE_OSX_SYSROOT}")
+  unset(CMAKE_OSX_SYSROOT CACHE)
+endif()
+
 message( STATUS "Parallel Programming Course (PPC)" )
 project(parallel_programming_course)