diff --git a/api/http/handler/stacks/update_kubernetes_stack.go b/api/http/handler/stacks/update_kubernetes_stack.go
index 8b319f8a8..d39d250d9 100644
--- a/api/http/handler/stacks/update_kubernetes_stack.go
+++ b/api/http/handler/stacks/update_kubernetes_stack.go
@@ -1,11 +1,7 @@
 package stacks
 
 import (
-	"fmt"
-	"io/ioutil"
 	"net/http"
-	"os"
-	"path"
 	"strconv"
 
 	"github.com/asaskevich/govalidator"
@@ -13,7 +9,6 @@ import (
 	httperror "github.com/portainer/libhttp/error"
 	"github.com/portainer/libhttp/request"
 	portainer "github.com/portainer/portainer/api"
-	"github.com/portainer/portainer/api/filesystem"
 	gittypes "github.com/portainer/portainer/api/git/types"
 	k "github.com/portainer/portainer/api/kubernetes"
 )
@@ -95,16 +90,12 @@ func (handler *Handler) updateKubernetesStack(r *http.Request, stack *portainer.
 		return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Invalid request payload", Err: err}
 	}
 
-	tempFileDir, _ := ioutil.TempDir("", "kub_file_content")
-	defer os.RemoveAll(tempFileDir)
-
-	if err := filesystem.WriteToFile(path.Join(tempFileDir, stack.EntryPoint), []byte(payload.StackFileContent)); err != nil {
-		return &httperror.HandlerError{StatusCode: http.StatusBadRequest, Message: "Failed to persist deployment file in a temp directory", Err: err}
+	stackFolder := strconv.Itoa(int(stack.ID))
+	projectPath, err := handler.FileService.StoreStackFileFromBytes(stackFolder, stack.EntryPoint, []byte(payload.StackFileContent))
+	if err != nil {
+		return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to persist Kubernetes manifest file on disk", Err: err}
 	}
-
-	//use temp dir as the stack project path for deployment
-	//so if the deployment failed, the original file won't be over-written
-	stack.ProjectPath = tempFileDir
+	stack.ProjectPath = projectPath
 
 	_, err = handler.deployKubernetesStack(r, endpoint, stack, k.KubeAppLabels{
 		StackID: int(stack.ID),
@@ -117,17 +108,5 @@ func (handler *Handler) updateKubernetesStack(r *http.Request, stack *portainer.
 		return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: "Unable to deploy Kubernetes stack via file content", Err: err}
 	}
 
-	stackFolder := strconv.Itoa(int(stack.ID))
-	projectPath, err := handler.FileService.StoreStackFileFromBytes(stackFolder, stack.EntryPoint, []byte(payload.StackFileContent))
-	if err != nil {
-		fileType := "Manifest"
-		if stack.IsComposeFormat {
-			fileType = "Compose"
-		}
-		errMsg := fmt.Sprintf("Unable to persist Kubernetes %s file on disk", fileType)
-		return &httperror.HandlerError{StatusCode: http.StatusInternalServerError, Message: errMsg, Err: err}
-	}
-	stack.ProjectPath = projectPath
-
 	return nil
 }