diff --git a/packages/presets/client/src/fragment-masking-plugin.ts b/packages/presets/client/src/fragment-masking-plugin.ts
index f3e69e3c6bf..0f69aff68b7 100644
--- a/packages/presets/client/src/fragment-masking-plugin.ts
+++ b/packages/presets/client/src/fragment-masking-plugin.ts
@@ -59,6 +59,18 @@ export function ${unmaskFunctionName}<TType>(
   fragmentType: Array<FragmentType<DocumentTypeDecoration<TType, any>>> | null | undefined
 ): Array<TType> | null | undefined;`,
 
+  `// return nullable array of non-nullable if \`fragmentType\` is nullable array of nullable
+export function ${unmaskFunctionName}<TType>(
+  _documentNode: DocumentTypeDecoration<TType, any>,
+  fragmentType: Array<FragmentType<DocumentTypeDecoration<TType, any>> | null> | undefined
+): Array<TType | null> | undefined;`,
+
+  `// return nullable array of nullable if \`fragmentType\` is nullable array of nullable
+export function ${unmaskFunctionName}<TType>(
+  _documentNode: DocumentTypeDecoration<TType, any>,
+  fragmentType: Array<FragmentType<DocumentTypeDecoration<TType, any>> | null> | null | undefined
+): Array<TType | null> | null | undefined;`,
+
   `// return readonly array of non-nullable if \`fragmentType\` is array of non-nullable
 export function ${unmaskFunctionName}<TType>(
   _documentNode: DocumentTypeDecoration<TType, any>,
@@ -70,14 +82,26 @@ export function ${unmaskFunctionName}<TType>(
   _documentNode: DocumentTypeDecoration<TType, any>,
   fragmentType: ReadonlyArray<FragmentType<DocumentTypeDecoration<TType, any>>> | null | undefined
 ): ReadonlyArray<TType> | null | undefined;`,
+
+  `// return nullable readonly array of non-nullable if \`fragmentType\` is nullable array of nullable
+export function ${unmaskFunctionName}<TType>(
+  _documentNode: DocumentTypeDecoration<TType, any>,
+  fragmentType: ReadonlyArray<FragmentType<DocumentTypeDecoration<TType, any>> | null> | undefined
+): ReadonlyArray<TType | null> | undefined;`,
+
+  `// return nullable readonly array of nullable if \`fragmentType\` is nullable array of nullable
+export function ${unmaskFunctionName}<TType>(
+  _documentNode: DocumentTypeDecoration<TType, any>,
+  fragmentType: ReadonlyArray<FragmentType<DocumentTypeDecoration<TType, any>> | null> | null | undefined
+): ReadonlyArray<TType | null> | null | undefined;`,
 ];
 
 const createUnmaskFunction = (unmaskFunctionName = defaultUnmaskFunctionName) => `
 ${createUnmaskFunctionTypeDefinitions(unmaskFunctionName).join('\n')}
 export function ${unmaskFunctionName}<TType>(
   _documentNode: DocumentTypeDecoration<TType, any>,
-  fragmentType: FragmentType<DocumentTypeDecoration<TType, any>> | Array<FragmentType<DocumentTypeDecoration<TType, any>>> | ReadonlyArray<FragmentType<DocumentTypeDecoration<TType, any>>> | null | undefined
-): TType | Array<TType> | ReadonlyArray<TType> | null | undefined {
+  fragmentType: FragmentType<DocumentTypeDecoration<TType, any>> | Array<FragmentType<DocumentTypeDecoration<TType, any>> | null> | ReadonlyArray<FragmentType<DocumentTypeDecoration<TType, any>> | null> | null | undefined
+): TType | Array<TType | null> | ReadonlyArray<TType | null> | null | undefined {
   return fragmentType as any;
 }
 `;