diff --git a/packages/@glimmer/runtime/lib/compiled/opcodes/content.ts b/packages/@glimmer/runtime/lib/compiled/opcodes/content.ts
index 2e2c65016..96702570e 100644
--- a/packages/@glimmer/runtime/lib/compiled/opcodes/content.ts
+++ b/packages/@glimmer/runtime/lib/compiled/opcodes/content.ts
@@ -36,7 +36,7 @@ function toContentType(value: unknown) {
     hasInternalComponentManager(value as object)
   ) {
     return ContentType.Component;
-  } else if (isCurriedType(value, CURRIED_HELPER) || hasInternalHelperManager(value)) {
+  } else if (isCurriedType(value, CURRIED_HELPER) || hasInternalHelperManager(value as object)) {
     return ContentType.Helper;
   } else if (isSafeString(value)) {
     return ContentType.SafeString;