diff --git a/clang/lib/Headers/CMakeLists.txt b/clang/lib/Headers/CMakeLists.txt
index d3090e488306f..89fa0ecd45eb4 100644
--- a/clang/lib/Headers/CMakeLists.txt
+++ b/clang/lib/Headers/CMakeLists.txt
@@ -318,8 +318,10 @@ set(ppc_wrapper_files
 set(openmp_wrapper_files
   openmp_wrappers/math.h
   openmp_wrappers/cmath
-  openmp_wrappers/complex.h
+  # Due to a bug in CMake, `complex` must be before `complex.h`
+  # See: https://gitlab.kitware.com/cmake/cmake/-/issues/26058
   openmp_wrappers/complex
+  openmp_wrappers/complex.h
   openmp_wrappers/__clang_openmp_device_functions.h
   openmp_wrappers/complex_cmath.h
   openmp_wrappers/new