diff --git a/konan/konan.properties b/konan/konan.properties
index a4808678fe3..1a97fd27ed9 100644
--- a/konan/konan.properties
+++ b/konan/konan.properties
@@ -166,7 +166,7 @@ quadruple.linux_x64 = x86_64-unknown-linux-gnu
 targetSysRoot.linux_x64 = target-gcc-toolchain-3-linux-x86-64/x86_64-unknown-linux-gnu/sysroot
 # targetSysroot-relative.
 libGcc.linux_x64 = ../../lib/gcc/x86_64-unknown-linux-gnu/4.8.5
-llvmLtoFlags.linux_x64 =
+llvmLtoFlags.linux_x64 = -mcpu=x86-64
 llvmLtoOptFlags.linux_x64 = -O3 -function-sections
 llvmLtoNooptFlags.linux_x64 = -O1
 llvmLtoDynamicFlags.linux_x64 = -relocation-model=pic