diff --git a/utils/src/main/java/one/nem/lacerta/utils/module/FileUtilsModule.java b/utils/src/main/java/one/nem/lacerta/utils/module/FileUtilsModule.java
index 3652978d..0d136a46 100644
--- a/utils/src/main/java/one/nem/lacerta/utils/module/FileUtilsModule.java
+++ b/utils/src/main/java/one/nem/lacerta/utils/module/FileUtilsModule.java
@@ -12,6 +12,6 @@ import one.nem.lacerta.utils.impl.FileUtilsImpl;
 abstract public class FileUtilsModule {
 
     @Binds
-
+    public abstract FileUtils bindFileUtils(FileUtilsImpl fileUtilsImpl);
 
 }