Index: uspace/srv/fs/fat/Makefile
===================================================================
--- uspace/srv/fs/fat/Makefile	(revision efd4a72e4269c80f58dd46c4cf9e8d15c55eac52)
+++ uspace/srv/fs/fat/Makefile	(revision 297f1197cbaf632bd92aca5ab14a476b844345bc)
@@ -45,5 +45,6 @@
 SOURCES = \
 	fat.c \
-	fat_ops.c
+	fat_ops.c \
+	fat_idx.c
 
 OBJECTS := $(addsuffix .o,$(basename $(SOURCES)))