diff --git a/pre-commit/hook/label.bzl b/pre-commit/hook/label.bzl
index de5004f4d27f826cee6d906906e5d166e0ec7eb3..daa88d8952d622b511b93d470e413bc5ac414115 100644
--- a/pre-commit/hook/label.bzl
+++ b/pre-commit/hook/label.bzl
@@ -1,7 +1,9 @@
 visibility("//...")
 
+SEPARATOR = Label("@rules_python").repo_name.removesuffix("@rules_python")[-1]
+
 def label(value):
-    ws = value.workspace_name
+    ws = value.workspace_name.removesuffix(SEPARATOR)
     pkg = value.package
     last = pkg.rsplit("/", 1)[-1]
     name = value.name