diff --git a/packages/cli/src/util/proposerConfig.ts b/packages/cli/src/util/proposerConfig.ts
index 06ea3e58553..4cfa6fa7107 100644
--- a/packages/cli/src/util/proposerConfig.ts
+++ b/packages/cli/src/util/proposerConfig.ts
@@ -88,13 +88,14 @@ function parseProposerConfigSection(
       overrideConfig?.strictFeeRecipientCheck ??
       (strict_fee_recipient_check ? stringtoBool(strict_fee_recipient_check) : undefined),
     feeRecipient: overrideConfig?.feeRecipient ?? (fee_recipient ? parseFeeRecipient(fee_recipient) : undefined),
-    builder: overrideConfig?.builder
-      ? {
-          gasLimit: overrideConfig?.builder?.gasLimit ?? (gas_limit !== undefined ? Number(gas_limit) : undefined),
-          selection: overrideConfig?.builder?.selection ?? parseBuilderSelection(builderSelection),
-          boostFactor: overrideConfig?.builder?.boostFactor ?? parseBuilderBoostFactor(boost_factor),
-        }
-      : undefined,
+    builder:
+      overrideConfig?.builder || builder
+        ? {
+            gasLimit: overrideConfig?.builder?.gasLimit ?? (gas_limit !== undefined ? Number(gas_limit) : undefined),
+            selection: overrideConfig?.builder?.selection ?? parseBuilderSelection(builderSelection),
+            boostFactor: overrideConfig?.builder?.boostFactor ?? parseBuilderBoostFactor(boost_factor),
+          }
+        : undefined,
   };
 }