diff --git a/src/kernel/core/fs/Jamfile b/src/kernel/core/fs/Jamfile
index bc9f60be32..496a833eae 100644
--- a/src/kernel/core/fs/Jamfile
+++ b/src/kernel/core/fs/Jamfile
@@ -4,6 +4,7 @@ KernelMergeObject kernel_fs.o :
 	<$(SOURCE_GRIST)>bootfs.c
 	<$(SOURCE_GRIST)>devfs.c
 	<$(SOURCE_GRIST)>rootfs.c
+	<$(SOURCE_GRIST)>pipefs.cpp
 	<$(SOURCE_GRIST)>fd.c
 	<$(SOURCE_GRIST)>vfs.c
 	<$(SOURCE_GRIST)>vfs_select.c