diff --git a/third_party/eigen/BUILD b/third_party/eigen/BUILD
index e66382c..54c5cd1 100644
--- a/third_party/eigen/BUILD
+++ b/third_party/eigen/BUILD
@@ -1,6 +1,6 @@
 licenses(["notice"])
 
-load("//tools:environments.bzl", "mcu_cpus")
+load("@//tools:environments.bzl", "mcu_cpus")
 
 cc_library(
     name = "eigen",
diff --git a/third_party/eigen/WORKSPACE b/third_party/eigen/WORKSPACE
new file mode 100644
index 0000000..6f155bf
--- /dev/null
+++ b/third_party/eigen/WORKSPACE
@@ -0,0 +1 @@
+workspace(name = "org_tuxfamily_eigen")