diff --git a/app/src/main/java/org/foxarmy/barcodescannerforemployees/Net.kt b/app/src/main/java/org/foxarmy/barcodescannerforemployees/Net.kt
index 3fc7d85..b1dee2d 100644
--- a/app/src/main/java/org/foxarmy/barcodescannerforemployees/Net.kt
+++ b/app/src/main/java/org/foxarmy/barcodescannerforemployees/Net.kt
@@ -116,7 +116,7 @@ class Net {
         return response
     }
 
-    fun changeUsername( newUsername: String): Response {
+    fun changeUsername(newUsername: String): Response {
 
         lateinit var response: Response
 
@@ -257,7 +257,7 @@ class Net {
         return responseText
     }
 
-    fun getGroupName(id: Int) : String {
+    fun getGroupName(id: Int): String {
         lateinit var response: Response
 
         thread {
@@ -352,4 +352,35 @@ class Net {
 
         return response
     }
+
+    fun updateAbstractProduct(groupId: Int, abstractProduct: AbstractProduct, imageFile: File): Response {
+        lateinit var response: Response
+
+        thread {
+            val client = OkHttpClient()
+
+            val body = MultipartBody.Builder()
+                .setType("multipart/form-data".toMediaType())
+                .addFormDataPart("file", imageFile.name, imageFile.asRequestBody("image/png".toMediaTypeOrNull()))
+                .addFormDataPart("groupId", groupId.toString())
+                .addFormDataPart("localId", abstractProduct.id.toString())
+                .addFormDataPart("barcode", abstractProduct.barcode)
+                .addFormDataPart("name", abstractProduct.name)
+                .addFormDataPart("net_weight", abstractProduct.netWeight.toString())
+                .addFormDataPart("category", abstractProduct.category.toString())
+                .addFormDataPart("unit", abstractProduct.unit.toString())
+                .build()
+
+            val request = Request.Builder()
+                .url("https://$server/api/abstractproduct/update")
+                .post(body)
+                .addHeader("Authorization", "Bearer $token")
+                .addHeader("accept-language", language)
+                .build()
+
+            response = client.newCall(request).execute()
+        }.join()
+
+        return response
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/org/foxarmy/barcodescannerforemployees/activities/AddAbstractProductActivity.kt b/app/src/main/java/org/foxarmy/barcodescannerforemployees/activities/AddAbstractProductActivity.kt
index bf44ae3..6030b4d 100644
--- a/app/src/main/java/org/foxarmy/barcodescannerforemployees/activities/AddAbstractProductActivity.kt
+++ b/app/src/main/java/org/foxarmy/barcodescannerforemployees/activities/AddAbstractProductActivity.kt
@@ -157,22 +157,23 @@ class AddAbstractProductActivity : AppCompatActivity() {
             val currentGroup = sharedPreferences.getString("currentGroup", "")!!
 
             lateinit var response: Response
+
+            abstractProduct = AbstractProduct(
+                if(abstractProduct == null) 0 else abstractProduct!!.id,
+                barcode,
+                productName,
+                netWeight.toString().toDouble(),
+                pictureFile.nameWithoutExtension,
+                categorySpinner.selectedItemPosition,
+                unitTypeSpinner.selectedItemPosition
+            )
+            val pictureFile = File(File(filesDir, "pictures"), "${abstractProduct!!.imageHash}.png")
+
             if (action == "update") {
-                DAO.updateAbstractProduct(abstractProduct!!, this)
+                DAO.updateAbstractProduct(abstractProduct!!)
+                response = net.updateAbstractProduct(currentGroup.toInt(), abstractProduct!!, pictureFile)
             } else if (action == "new" || action == "new_from_barcode") {
-
-                abstractProduct = AbstractProduct(
-                    0,
-                    barcode,
-                    productName,
-                    netWeight.toString().toDouble(),
-                    pictureFile.nameWithoutExtension,
-                    categorySpinner.selectedItemPosition,
-                    unitTypeSpinner.selectedItemPosition
-                )
-
                 abstractProduct!!.id = DAO.addAbstractProduct(abstractProduct!!).toInt()
-                val pictureFile = File(File(filesDir, "pictures"), "${abstractProduct!!.imageHash}.png")
                 response = net.uploadAbstractProduct(currentGroup.toInt(), abstractProduct!!, pictureFile);
             }
             Toast.makeText(this, response.body!!.string(), Toast.LENGTH_LONG).show()
diff --git a/app/src/main/java/org/foxarmy/barcodescannerforemployees/database/AbstractProductDAO.kt b/app/src/main/java/org/foxarmy/barcodescannerforemployees/database/AbstractProductDAO.kt
index e7463b1..5d7ada1 100644
--- a/app/src/main/java/org/foxarmy/barcodescannerforemployees/database/AbstractProductDAO.kt
+++ b/app/src/main/java/org/foxarmy/barcodescannerforemployees/database/AbstractProductDAO.kt
@@ -244,7 +244,7 @@ class AbstractProductDAO(private val dbHelper: DBStorageController) {
         return id
     }
 
-    fun updateAbstractProduct(abstractProduct: AbstractProduct, context: Context) {
+    fun updateAbstractProduct(abstractProduct: AbstractProduct) {
 
         val db = dbHelper.writableDatabase