diff --git a/test/runner/lib/core_ci.py b/test/runner/lib/core_ci.py
index d8adf834f34..b075cad7ecc 100644
--- a/test/runner/lib/core_ci.py
+++ b/test/runner/lib/core_ci.py
@@ -72,7 +72,7 @@ class AnsibleCoreCI(object):
             elif is_shippable():
                 # split Shippable jobs across multiple regions to maximize use of launch credits
                 if self.platform == 'windows':
-                    region = 'us-east-2'
+                    region = 'us-east-1'
                 else:
                     region = 'us-east-1'
             else: