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 65f173d3..b329d9f5 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
@@ -14,7 +14,7 @@ interface IBuildSources {
 class SingleFileBuildSources(val file: File) : IBuildSources {
     override fun exists() = file.exists()
     override fun findSourceFiles() = listOf(file)
-    override val root: File = file.parentFile.parentFile
+    override val root: File = file.parentFile.parentFile.parentFile
 }
 
 class BuildSources(val file: File = File("")) : IBuildSources {