diff --git a/internal/shared/task.go b/internal/shared/task.go
index 119babd..b835d83 100644
--- a/internal/shared/task.go
+++ b/internal/shared/task.go
@@ -9,5 +9,5 @@ type Task struct {
 type TaskResult struct {
 	MerchUuid string
 	Origin    string
-	Price     uint32
+	Price     int32
 }
diff --git a/proto/task.proto b/proto/task.proto
index bb17f67..35cce81 100644
--- a/proto/task.proto
+++ b/proto/task.proto
@@ -14,7 +14,7 @@ message Task{
 message Result{
   string merch_uuid = 1;
   string origin_name = 2;
-  uint32 price = 3;
+  int32 price = 3;
 }
 
 message ProcessorStatusRequest{}
@@ -38,4 +38,4 @@ service TaskProcessor {
   rpc RequestTask(google.protobuf.Empty) returns (stream Task);
   rpc SendResult(stream Result) returns (google.protobuf.Empty);
   rpc ProcessorStatus(ProcessorStatusRequest) returns (ProcessorStatusResponse);
-}
\ No newline at end of file
+}
diff --git a/proto/taskProcessor/task.pb.go b/proto/taskProcessor/task.pb.go
index 7ff9f0c..886cbfa 100644
--- a/proto/taskProcessor/task.pb.go
+++ b/proto/taskProcessor/task.pb.go
@@ -86,7 +86,7 @@ type Result struct {
 	state         protoimpl.MessageState `protogen:"open.v1"`
 	MerchUuid     string                 `protobuf:"bytes,1,opt,name=merch_uuid,json=merchUuid,proto3" json:"merch_uuid,omitempty"`
 	OriginName    string                 `protobuf:"bytes,2,opt,name=origin_name,json=originName,proto3" json:"origin_name,omitempty"`
-	Price         uint32                 `protobuf:"varint,3,opt,name=price,proto3" json:"price,omitempty"`
+	Price         int32                  `protobuf:"varint,3,opt,name=price,proto3" json:"price,omitempty"`
 	unknownFields protoimpl.UnknownFields
 	sizeCache     protoimpl.SizeCache
 }
@@ -135,7 +135,7 @@ func (x *Result) GetOriginName() string {
 	return ""
 }
 
-func (x *Result) GetPrice() uint32 {
+func (x *Result) GetPrice() int32 {
 	if x != nil {
 		return x.Price
 	}
@@ -326,7 +326,7 @@ const file_task_proto_rawDesc = "" +
 	"merch_uuid\x18\x01 \x01(\tR\tmerchUuid\x12\x1f\n" +
 	"\vorigin_name\x18\x02 \x01(\tR\n" +
 	"originName\x12\x14\n" +
-	"\x05price\x18\x03 \x01(\rR\x05price\"\x18\n" +
+	"\x05price\x18\x03 \x01(\x05R\x05price\"\x18\n" +
 	"\x16ProcessorStatusRequest\"\xc5\x03\n" +
 	"\x17ProcessorStatusResponse\x12\x1a\n" +
 	"\bappStart\x18\x01 \x01(\x03R\bappStart\x12\x1c\n" +