diff --git a/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt b/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
index 044ad6b7..9093b53e 100644
--- a/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
+++ b/src/main/kotlin/com/beust/kobalt/internal/JvmCompilerPlugin.kt
@@ -164,7 +164,7 @@ abstract class JvmCompilerPlugin @Inject constructor(
                 project.compileDependencies)
 
         val projectDirectory = File(project.directory)
-        val buildDirectory = File(projectDirectory, project.buildDirectory + File.separator + "classes")
+        val buildDirectory = File(project.projectProperties.getString(BUILD_DIR))
         buildDirectory.mkdirs()
 
         val sourceDirectories = context.variant.sourceDirectories(project)