diff --git a/sys/conf/files b/sys/conf/files
index ae3fd61ed7a..44eda0e8bae 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -4578,6 +4578,8 @@ compat/linuxkpi/common/src/linux_domain.c	optional compat_linuxkpi \
 	compile-with "${LINUXKPI_C}"
 compat/linuxkpi/common/src/linux_firmware.c	optional compat_linuxkpi \
 	compile-with "${LINUXKPI_C}"
+compat/linuxkpi/common/src/linux_fpu.c		optional compat_linuxkpi \
+	compile-with "${LINUXKPI_C}"
 compat/linuxkpi/common/src/linux_hrtimer.c	optional compat_linuxkpi \
 	compile-with "${LINUXKPI_C}"
 compat/linuxkpi/common/src/linux_kthread.c	optional compat_linuxkpi \