diff --git a/Android.mk b/Android.mk
index ab88003..45dd30b 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1080,7 +1080,7 @@
   $(HOST_OUT_EXECUTABLES)/fc_sort $(HOST_OUT_EXECUTABLES)/checkfc
 	@mkdir -p $(dir $@)
 	$(hide) $(HOST_OUT_EXECUTABLES)/checkfc -e $(PRIVATE_SEPOLICY) $<
-	$(hide) $(HOST_OUT_EXECUTABLES)/fc_sort $< $@
+	$(hide) $(HOST_OUT_EXECUTABLES)/fc_sort -i $< -o $@
 
 file_contexts.concat.tmp := $(intermediates)/file_contexts.concat.tmp
 $(file_contexts.concat.tmp): $(file_contexts.local.tmp) $(file_contexts.device.sorted.tmp)