diff --git a/kernel/x86/KERNEL b/kernel/x86/KERNEL
index 1095c1528..3ae268e6c 100644
--- a/kernel/x86/KERNEL
+++ b/kernel/x86/KERNEL
@@ -200,3 +200,6 @@ endif
 ifndef QROTMKERNEL
 QROTMKERNEL = ../generic/rotm.c
 endif
+
+CSCALKERNEL = ../arm/zscal.c
+ZSCALKERNEL = ../arm/zscal.c