diff --git a/packages/presets/client/src/index.ts b/packages/presets/client/src/index.ts
index 920a13a5f08..c9f83b2f9d4 100644
--- a/packages/presets/client/src/index.ts
+++ b/packages/presets/client/src/index.ts
@@ -128,6 +128,7 @@ export const preset: Types.OutputPreset<ClientPresetConfig> = {
       arrayInputCoercion: options.config.arrayInputCoercion,
       enumsAsTypes: options.config.enumsAsTypes,
       enumsAsConst: options.config.enumsAsConst,
+      mergeFragmentTypes: options.config.mergeFragmentTypes,
       futureProofEnums: options.config.futureProofEnums,
       dedupeFragments: options.config.dedupeFragments,
       nonOptionalTypename: options.config.nonOptionalTypename,