diff --git a/common/src/main/java/dev/cel/common/CelOptions.java b/common/src/main/java/dev/cel/common/CelOptions.java
index d884432da..4a5beb2e9 100644
--- a/common/src/main/java/dev/cel/common/CelOptions.java
+++ b/common/src/main/java/dev/cel/common/CelOptions.java
@@ -139,7 +139,7 @@ public static Builder newBuilder() {
         .populateMacroCalls(false)
         .retainRepeatedUnaryOperators(false)
         .retainUnbalancedLogicalExpressions(false)
-        .enableHiddenAccumulatorVar(false)
+        .enableHiddenAccumulatorVar(true)
         .enableQuotedIdentifierSyntax(false)
         // Type-Checker options
         .enableCompileTimeOverloadResolution(false)