diff --git a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/maven/Md5.kt b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/maven/Md5.kt
index c47a5b31..4654eb00 100644
--- a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/maven/Md5.kt
+++ b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/maven/Md5.kt
@@ -1,6 +1,7 @@
 package com.beust.kobalt.maven
 
 import com.beust.kobalt.misc.KFiles
+import com.beust.kobalt.misc.log
 import java.io.File
 import java.security.MessageDigest
 import javax.xml.bind.DatatypeConverter
@@ -10,7 +11,9 @@ public class Md5 {
         fun toMd5Directories(directories: List<File>) : String {
             MessageDigest.getInstance("MD5").let { md5 ->
                 directories.forEach { file ->
-                    KFiles.findRecursively(file).map {
+                    val files = KFiles.findRecursively(file) // , { f -> f.endsWith("java")})
+                    log(2, "  Calculating checksum of ${files.size} files")
+                    files.map {
                         File(file, it)
                     }.filter {
                         it.isFile