diff --git a/contrib/cross/mingw_core.cmake b/contrib/cross/mingw_core.cmake
index e37723784..d4702c74e 100644
--- a/contrib/cross/mingw_core.cmake
+++ b/contrib/cross/mingw_core.cmake
@@ -24,3 +24,4 @@ endif()
 
 set(CMAKE_RC_COMPILER ${TOOLCHAIN_PREFIX}-windres)
 set(CMAKE_CROSSCOMPILE ON)
+set(ARCH_TRIPLET ${CROSS_TARGET})