diff --git a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/build/BuildSources.kt b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/build/BuildSources.kt
index 9b3d6e89..63a8d5be 100644
--- a/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/build/BuildSources.kt
+++ b/modules/kobalt-plugin-api/src/main/kotlin/com/beust/kobalt/internal/build/BuildSources.kt
@@ -29,6 +29,8 @@ class BuildSources(val file: File) : IBuildSources {
 
     override fun exists() = findSourceFiles().isNotEmpty()
 
+    override fun toString() = "{BuildSources " + findSourceFiles()[0] + "...}"
+
     fun _findSourceFiles() : List<File> {
         val result = arrayListOf<File>()
         Files.walkFileTree(Paths.get(file.absolutePath), object : SimpleFileVisitor<Path>() {