diff --git a/src/workerd/util/autogate.c++ b/src/workerd/util/autogate.c++
index 79376ebbf1b..c5264a9fa03 100644
--- a/src/workerd/util/autogate.c++
+++ b/src/workerd/util/autogate.c++
@@ -17,6 +17,8 @@ kj::StringPtr KJ_STRINGIFY(AutogateKey key) {
   switch (key) {
     case AutogateKey::TEST_WORKERD:
       return "test-workerd"_kj;
+    case AutogateKey::STREAMING_TAIL_WORKERS:
+      return "streaming-tail-workers"_kj;
     case AutogateKey::NumOfKeys:
       KJ_FAIL_ASSERT("NumOfKeys should not be used in getName");
   }
diff --git a/src/workerd/util/autogate.h b/src/workerd/util/autogate.h
index fe934116c10..a97be15628c 100644
--- a/src/workerd/util/autogate.h
+++ b/src/workerd/util/autogate.h
@@ -14,6 +14,7 @@ namespace workerd::util {
 // Workerd-specific list of autogate keys (can also be used in internal repo).
 enum class AutogateKey {
   TEST_WORKERD,
+  STREAMING_TAIL_WORKERS,
   NumOfKeys  // Reserved for iteration.
 };