diff --git a/CMake/FindMBEDTLS.cmake b/CMake/FindMBEDTLS.cmake
index 8bca24e13b..6059dc9639 100644
--- a/CMake/FindMBEDTLS.cmake
+++ b/CMake/FindMBEDTLS.cmake
@@ -15,6 +15,7 @@ check_cxx_source_compiles("
 	#endif
 	int main() {}"
 	MBEDTLS_VERSION_OK)
+unset(CMAKE_REQUIRED_INCLUDES)
 
 include(FindPackageHandleStandardArgs)
 find_package_handle_standard_args(MBEDTLS DEFAULT_MSG