diff --git a/e2e/rbe/tools/platforms/BUILD.bazel b/e2e/rbe/tools/platforms/BUILD.bazel
index daffa36..163ed5a 100644
--- a/e2e/rbe/tools/platforms/BUILD.bazel
+++ b/e2e/rbe/tools/platforms/BUILD.bazel
@@ -13,6 +13,10 @@
 #   * test.EstimatedMemory gives JVM test actions headroom; BuildBuddy's default
 #     sizing is too small for the JVM's -Xms reservation and trips
 #     os::commit_memory.
+#   * use-self-hosted-executors=false pins actions to BuildBuddy's managed
+#     executor pool. Its default comes from the org settings, so when the org
+#     defaults to self-hosted, actions otherwise land in an empty self-hosted
+#     pool (`No registered executors in pool ""`).
 package(default_visibility = ["//visibility:public"])
 
 platform(
@@ -27,5 +31,6 @@ platform(
         "container-image": "docker://gcr.io/flame-public/rbe-ubuntu20-04@sha256:036ae8c90876fa22da9ace6f8218e614f4cd500a154fc162973fff691e72d28e",
         "network": "off",
         "test.EstimatedMemory": "1GB",
+        "use-self-hosted-executors": "false",
     },
 )
diff --git a/tools/platforms/BUILD.bazel b/tools/platforms/BUILD.bazel
index daffa36..163ed5a 100644
--- a/tools/platforms/BUILD.bazel
+++ b/tools/platforms/BUILD.bazel
@@ -13,6 +13,10 @@
 #   * test.EstimatedMemory gives JVM test actions headroom; BuildBuddy's default
 #     sizing is too small for the JVM's -Xms reservation and trips
 #     os::commit_memory.
+#   * use-self-hosted-executors=false pins actions to BuildBuddy's managed
+#     executor pool. Its default comes from the org settings, so when the org
+#     defaults to self-hosted, actions otherwise land in an empty self-hosted
+#     pool (`No registered executors in pool ""`).
 package(default_visibility = ["//visibility:public"])
 
 platform(
@@ -27,5 +31,6 @@ platform(
         "container-image": "docker://gcr.io/flame-public/rbe-ubuntu20-04@sha256:036ae8c90876fa22da9ace6f8218e614f4cd500a154fc162973fff691e72d28e",
         "network": "off",
         "test.EstimatedMemory": "1GB",
+        "use-self-hosted-executors": "false",
     },
 )