diff --git a/Tupfile b/Tupfile
index bca01c0..f9c8719 100644
--- a/Tupfile
+++ b/Tupfile
@@ -1,4 +1,4 @@
-FINPUT	= src/*.c src/fs/*.c src/vdisk/*.c src/vdisk/fmt/*.c
+FINPUT	= src/*.c src/fs/*.c src/vdisk/*.c src/vdisk/fmt/*.c src/utils/*.c
 
 ifeq (@(TUP_PLATFORM),win32)
 CC	= clang-cl