diff --git a/CMakeLists.txt b/CMakeLists.txt
index eff36a24a7e2..7ffa733b92f6 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -339,7 +339,11 @@ if(USE_OPENMP)
   find_package(OpenMP REQUIRED)
   # This should build on Windows, but there's some problem and I don't have a Windows box, so
   # could a Windows user please fix?
-  if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/openmp/CMakeLists.txt AND SYSTEM_ARCHITECTURE STREQUAL "x86_64" AND NOT MSVC)
+  if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/openmp/CMakeLists.txt
+     AND SYSTEM_ARCHITECTURE STREQUAL "x86_64"
+     AND NOT MSVC
+     AND NOT CMAKE_CROSSCOMPILING)
+
     # Intel/llvm OpenMP: https://github.com/llvm-mirror/openmp
     set(OPENMP_STANDALONE_BUILD TRUE)
     set(LIBOMP_ENABLE_SHARED TRUE)