diff --git a/sdk/client/commander.go b/sdk/client/commander.go
index ed7862969b..985c288efb 100644
--- a/sdk/client/commander.go
+++ b/sdk/client/commander.go
@@ -317,7 +317,7 @@ func (c *commander) Upload(ctx context.Context, cfg *proto.NginxConfig, messageI
 		}
 
 		if status.Status != proto.UploadStatus_OK {
-			return fmt.Error(status.Reason)
+			return fmt.Errorf("%s", status.Reason)
 		}
 
 		return nil
diff --git a/test/integration/vendor/github.com/nginx/agent/sdk/v2/client/commander.go b/test/integration/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
index ed7862969b..985c288efb 100644
--- a/test/integration/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
+++ b/test/integration/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
@@ -317,7 +317,7 @@ func (c *commander) Upload(ctx context.Context, cfg *proto.NginxConfig, messageI
 		}
 
 		if status.Status != proto.UploadStatus_OK {
-			return fmt.Error(status.Reason)
+			return fmt.Errorf("%s", status.Reason)
 		}
 
 		return nil
diff --git a/test/performance/vendor/github.com/nginx/agent/sdk/v2/client/commander.go b/test/performance/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
index ed7862969b..985c288efb 100644
--- a/test/performance/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
+++ b/test/performance/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
@@ -317,7 +317,7 @@ func (c *commander) Upload(ctx context.Context, cfg *proto.NginxConfig, messageI
 		}
 
 		if status.Status != proto.UploadStatus_OK {
-			return fmt.Error(status.Reason)
+			return fmt.Errorf("%s", status.Reason)
 		}
 
 		return nil
diff --git a/vendor/github.com/nginx/agent/sdk/v2/client/commander.go b/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
index ed7862969b..985c288efb 100644
--- a/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
+++ b/vendor/github.com/nginx/agent/sdk/v2/client/commander.go
@@ -317,7 +317,7 @@ func (c *commander) Upload(ctx context.Context, cfg *proto.NginxConfig, messageI
 		}
 
 		if status.Status != proto.UploadStatus_OK {
-			return fmt.Error(status.Reason)
+			return fmt.Errorf("%s", status.Reason)
 		}
 
 		return nil