diff --git a/support/misc/Buildroot.cmake b/support/misc/Buildroot.cmake
index 9f5f565255..761b6d7ae2 100644
--- a/support/misc/Buildroot.cmake
+++ b/support/misc/Buildroot.cmake
@@ -1,5 +1,6 @@
 # Impersonate a Linux system. Afterall, that's what we are...
 set(CMAKE_SYSTEM_NAME Linux)
+set(CMAKE_SYSTEM ${CMAKE_SYSTEM_NAME})
 include(Platform/Linux)
 
 # Override problematic settings, to avoid RPATH against host lib directories.