diff --git a/tools/push3-transpiler/src/transpiler.ts b/tools/push3-transpiler/src/transpiler.ts
index 9924769..fe4a5bb 100644
--- a/tools/push3-transpiler/src/transpiler.ts
+++ b/tools/push3-transpiler/src/transpiler.ts
@@ -391,7 +391,7 @@ export function transpile(program: Node): TranspileResult {
   processItems(program.items, state);
 
   // Pop 4 outputs: top → ci, then anchorShare, anchorWidth, discoveryDepth.
-  if (state.dStack.length < 4) {
+  if (state.dStack.length !== 4) {
     throw new Error(
       `Program must leave exactly 4 values on the DYADIC stack; found ${state.dStack.length}`,
     );