diff --git a/packages/compiler/src/template/pipeline/ir/src/expression.ts b/packages/compiler/src/template/pipeline/ir/src/expression.ts
index f50187ad1fe..6fe8d3d35ba 100644
--- a/packages/compiler/src/template/pipeline/ir/src/expression.ts
+++ b/packages/compiler/src/template/pipeline/ir/src/expression.ts
@@ -510,6 +510,13 @@ export function transformExpressionsInExpression(
   } else if (expr instanceof o.ReadKeyExpr) {
     expr.receiver = transformExpressionsInExpression(expr.receiver, transform, flags);
     expr.index = transformExpressionsInExpression(expr.index, transform, flags);
+  } else if (expr instanceof o.WritePropExpr) {
+    expr.receiver = transformExpressionsInExpression(expr.receiver, transform, flags);
+    expr.value = transformExpressionsInExpression(expr.value, transform, flags);
+  } else if (expr instanceof o.WriteKeyExpr) {
+    expr.receiver = transformExpressionsInExpression(expr.receiver, transform, flags);
+    expr.index = transformExpressionsInExpression(expr.index, transform, flags);
+    expr.value = transformExpressionsInExpression(expr.value, transform, flags);
   } else if (expr instanceof o.InvokeFunctionExpr) {
     expr.fn = transformExpressionsInExpression(expr.fn, transform, flags);
     for (let i = 0; i < expr.args.length; i++) {
diff --git a/packages/compiler/src/template/pipeline/src/ingest.ts b/packages/compiler/src/template/pipeline/src/ingest.ts
index 0d94b8dbffa..188a07914d3 100644
--- a/packages/compiler/src/template/pipeline/src/ingest.ts
+++ b/packages/compiler/src/template/pipeline/src/ingest.ts
@@ -125,6 +125,14 @@ function convertAst(ast: e.AST, cpl: ComponentCompilation): o.Expression {
     } else {
       return new o.ReadPropExpr(convertAst(ast.receiver, cpl), ast.name);
     }
+  } else if (ast instanceof e.PropertyWrite) {
+    return new o.WritePropExpr(convertAst(ast.receiver, cpl), ast.name, convertAst(ast.value, cpl));
+  } else if (ast instanceof e.KeyedWrite) {
+    return new o.WriteKeyExpr(
+        convertAst(ast.receiver, cpl),
+        convertAst(ast.key, cpl),
+        convertAst(ast.value, cpl),
+    );
   } else if (ast instanceof e.Call) {
     if (ast.receiver instanceof e.ImplicitReceiver) {
       throw new Error(`Unexpected ImplicitReceiver`);