diff --git a/packages/server/src/integrations/base/sqlTable.ts b/packages/server/src/integrations/base/sqlTable.ts
index a82a9fcea8..7d5ff632b7 100644
--- a/packages/server/src/integrations/base/sqlTable.ts
+++ b/packages/server/src/integrations/base/sqlTable.ts
@@ -125,6 +125,7 @@ function generateSchema(
         break
       case FieldType.ATTACHMENTS:
       case FieldType.ATTACHMENT_SINGLE:
+      case FieldType.SIGNATURE:
       case FieldType.AUTO:
       case FieldType.JSON:
       case FieldType.INTERNAL:
diff --git a/packages/server/src/integrations/googlesheets.ts b/packages/server/src/integrations/googlesheets.ts
index da98ac4875..ca9ca7f465 100644
--- a/packages/server/src/integrations/googlesheets.ts
+++ b/packages/server/src/integrations/googlesheets.ts
@@ -72,6 +72,7 @@ const isTypeAllowed: Record<FieldType, boolean> = {
   [FieldType.JSON]: false,
   [FieldType.INTERNAL]: false,
   [FieldType.BIGINT]: false,
+  [FieldType.SIGNATURE]: false,
 }
 
 const ALLOWED_TYPES = Object.entries(isTypeAllowed)