diff --git a/cmd/build.go b/cmd/build.go
index ded9db5b..c7130630 100644
--- a/cmd/build.go
+++ b/cmd/build.go
@@ -35,6 +35,7 @@ var buildCmd = &cobra.Command{
 	Short: "build a package or a tree",
 	Long:  `build packages or trees from luet tree definitions. Packages are in [category]/[name]-[version] form`,
 	PreRun: func(cmd *cobra.Command, args []string) {
+		viper.BindPFlag("clean", cmd.Flags().Lookup("clean"))
 		viper.BindPFlag("tree", cmd.Flags().Lookup("tree"))
 		viper.BindPFlag("destination", cmd.Flags().Lookup("destination"))
 		viper.BindPFlag("backend", cmd.Flags().Lookup("backend"))
diff --git a/pkg/compiler/compiler.go b/pkg/compiler/compiler.go
index caef184d..851e9d6a 100644
--- a/pkg/compiler/compiler.go
+++ b/pkg/compiler/compiler.go
@@ -44,7 +44,7 @@ type LuetCompiler struct {
 	CompressionType           CompressionImplementation
 }
 
-func NewLuetCompiler(backend CompilerBackend, db pkg.PackageDatabase, opt CompilerOptions) Compiler {
+func NewLuetCompiler(backend CompilerBackend, db pkg.PackageDatabase, opt *CompilerOptions) Compiler {
 	// The CompilerRecipe will gives us a tree with only build deps listed.
 	return &LuetCompiler{
 		Backend: backend,
@@ -229,6 +229,7 @@ func (cs *LuetCompiler) stripIncludesFromRootfs(includes []string, rootfs string
 func (cs *LuetCompiler) compileWithImage(image, buildertaggedImage, packageImage string, concurrency int, keepPermissions, keepImg bool, p CompilationSpec) (Artifact, error) {
 	if !cs.Clean {
 		if art, err := LoadArtifactFromYaml(p); err == nil {
+			Debug("Artifact reloaded. Skipping build")
 			return art, err
 		}
 	}
@@ -389,6 +390,7 @@ func (cs *LuetCompiler) compileWithImage(image, buildertaggedImage, packageImage
 func (cs *LuetCompiler) packageFromImage(p CompilationSpec, tag string, keepPermissions, keepImg bool, concurrency int) (Artifact, error) {
 	if !cs.Clean {
 		if art, err := LoadArtifactFromYaml(p); err == nil {
+			Debug("Artifact reloaded. Skipping build")
 			return art, err
 		}
 	}
diff --git a/pkg/compiler/interface.go b/pkg/compiler/interface.go
index b48c283d..fbe334da 100644
--- a/pkg/compiler/interface.go
+++ b/pkg/compiler/interface.go
@@ -50,8 +50,8 @@ type CompilerOptions struct {
 	Clean              bool
 }
 
-func NewDefaultCompilerOptions() CompilerOptions {
-	return CompilerOptions{
+func NewDefaultCompilerOptions() *CompilerOptions {
+	return &CompilerOptions{
 		ImageRepository: "luet/cache",
 		PullFirst:       true,
 		CompressionType: None,