diff --git a/src/validators/Validator.IsOptional.pas b/src/validators/Validator.IsOptional.pas
index 886c4fe..981eaf3 100644
--- a/src/validators/Validator.IsOptional.pas
+++ b/src/validators/Validator.IsOptional.pas
@@ -65,7 +65,7 @@ function TValidatorIsOptional.Check: IDataValidatorResult;
   LIsOptional: Boolean;
 begin
   LValue := GetValueAsString;
-  R := True;
+  R := False;
   LIsOptional := True;
 
   if Assigned(FOptionalExecute) then
diff --git a/src/validators/Validator.JSON.Key.IsOptional.pas b/src/validators/Validator.JSON.Key.IsOptional.pas
index e6d52ee..67b8a2a 100644
--- a/src/validators/Validator.JSON.Key.IsOptional.pas
+++ b/src/validators/Validator.JSON.Key.IsOptional.pas
@@ -66,7 +66,7 @@ function TDataValidatorJSONKeyIsOptional.Check: IDataValidatorResult;
   LJSONPair: TJSONPair;
 begin
   LValue := GetValueAsString;
-  R := True;
+  R := False;
   LIsOptional := True;
 
   if Assigned(FFuncExecute) then
diff --git a/src/validators/Validator.JSON.Key.IsRequired.pas b/src/validators/Validator.JSON.Key.IsRequired.pas
index 33b8501..d01f31b 100644
--- a/src/validators/Validator.JSON.Key.IsRequired.pas
+++ b/src/validators/Validator.JSON.Key.IsRequired.pas
@@ -66,7 +66,7 @@ function TDataValidatorJSONKeyIsRequired.Check: IDataValidatorResult;
   LJSONPair: TJSONPair;
 begin
   LValue := GetValueAsString;
-  R := True;
+  R := False;
   LIsRequired := True;
 
   if Assigned(FFuncExecute) then