diff --git a/sys/modules/Makefile b/sys/modules/Makefile
index 330c68622f5..5518e4397f4 100644
--- a/sys/modules/Makefile
+++ b/sys/modules/Makefile
@@ -778,6 +778,7 @@ _zfs=		zfs
 .if ${MACHINE_CPUARCH} == "arm"
 _cfi=		cfi
 _cpsw=		cpsw
+_sound=		sound
 .endif
 
 .if ${MACHINE_CPUARCH} == "ia64"