diff --git a/internal/build/install.go b/internal/build/install.go
index f87b621..cb58bc3 100644
--- a/internal/build/install.go
+++ b/internal/build/install.go
@@ -118,6 +118,8 @@ func (container Container) installPackage(file []byte, destDir string) error {
 		return err
 	}
 
+	os.Chdir(destDir)
+
 	if err := bootstrapcontainer.ExecutePrepare(manifest, &L); err != nil {
 		return fmt.Errorf("error executing prepare: %s", err)
 	}
diff --git a/pkg/main.go b/pkg/main.go
index 26a1b82..46fbddd 100644
--- a/pkg/main.go
+++ b/pkg/main.go
@@ -149,6 +149,8 @@ func InstallPackage(file []byte, destDir string) error {
 		return err
 	}
 
+	os.Chdir(destDir)
+
 	if err := bootstrapcontainer.ExecutePrepare(manifest, &L); err != nil {
 		return fmt.Errorf("error executing prepare: %s", err)
 	}