diff --git a/packages/async-flow/src/replay-membrane.js b/packages/async-flow/src/replay-membrane.js
index e5ad8e93ed9..e675c02bbbe 100644
--- a/packages/async-flow/src/replay-membrane.js
+++ b/packages/async-flow/src/replay-membrane.js
@@ -34,8 +34,7 @@ export const makeReplayMembrane = (
 
   let stopped = false;
 
-  const PanicTag = (template, ...args) =>
-    panic(makeError(X(template, ...args)));
+  const Panic = (template, ...args) => panic(makeError(X(template, ...args)));
 
   // ////////////// Host or Interpreter to Guest ///////////////////////////////
 
@@ -202,7 +201,7 @@ export const makeReplayMembrane = (
       default: {
         // @ts-expect-error TS correctly knows this case would be outside
         // the type. But that's what we want to check.
-        throw PanicTag`unexpected outcome kind ${q(outcome.kind)}`;
+        throw Panic`unexpected outcome kind ${q(outcome.kind)}`;
       }
     }
   };
@@ -212,9 +211,9 @@ export const makeReplayMembrane = (
   const guestHandler = harden({
     applyMethod(guestTarget, optVerb, guestArgs, guestReturnedP) {
       if (optVerb === undefined) {
-        throw PanicTag`guest eventual call not yet supported: ${guestTarget}(${b(guestArgs)}) -> ${b(guestReturnedP)}`;
+        throw Panic`guest eventual call not yet supported: ${guestTarget}(${b(guestArgs)}) -> ${b(guestReturnedP)}`;
       } else {
-        throw PanicTag`guest eventual send not yet supported: ${guestTarget}.${b(optVerb)}(${b(guestArgs)}) -> ${b(guestReturnedP)}`;
+        throw Panic`guest eventual send not yet supported: ${guestTarget}.${b(optVerb)}(${b(guestArgs)}) -> ${b(guestReturnedP)}`;
       }
     },
     applyFunction(guestTarget, guestArgs, guestReturnedP) {
@@ -226,7 +225,7 @@ export const makeReplayMembrane = (
       );
     },
     get(guestTarget, prop, guestReturnedP) {
-      throw PanicTag`guest eventual get not yet supported: ${guestTarget}.${b(prop)} -> ${b(guestReturnedP)}`;
+      throw Panic`guest eventual get not yet supported: ${guestTarget}.${b(prop)} -> ${b(guestReturnedP)}`;
     },
   });