diff --git a/app/src/main/java/com/owncloud/android/ui/activity/FolderPickerActivity.kt b/app/src/main/java/com/owncloud/android/ui/activity/FolderPickerActivity.kt
index d422814b52f4..834de5573346 100644
--- a/app/src/main/java/com/owncloud/android/ui/activity/FolderPickerActivity.kt
+++ b/app/src/main/java/com/owncloud/android/ui/activity/FolderPickerActivity.kt
@@ -456,7 +456,7 @@ open class FolderPickerActivity :
 
         targetFilePaths?.let { filePaths ->
             if (!isFolderAndFilePathsValid(filePaths)) {
-                DisplayUtils.showSnackMessage(this, R.string.file_name_validator_error_copy_or_move)
+                DisplayUtils.showSnackMessage(this, R.string.file_name_validator_error_contains_reserved_names_or_invalid_characters)
                 Handler(Looper.getMainLooper()).postDelayed({
                     setResult(RESULT_CANCELED, resultData)
                     finish()
diff --git a/app/src/main/java/com/owncloud/android/ui/activity/ReceiveExternalFilesActivity.java b/app/src/main/java/com/owncloud/android/ui/activity/ReceiveExternalFilesActivity.java
index 1b6f0d7d62c2..248935e3deef 100755
--- a/app/src/main/java/com/owncloud/android/ui/activity/ReceiveExternalFilesActivity.java
+++ b/app/src/main/java/com/owncloud/android/ui/activity/ReceiveExternalFilesActivity.java
@@ -671,7 +671,7 @@ public void onClick(View v) {
 
             boolean isPathValid = FileNameValidator.INSTANCE.checkFolderPath(mUploadPath, getCapabilities(), this);
             if (!isPathValid) {
-                DisplayUtils.showSnackMessage(this, R.string.file_name_validator_error_copy_or_move);
+                DisplayUtils.showSnackMessage(this, R.string.file_name_validator_error_contains_reserved_names_or_invalid_characters);
                 return;
             }
 
diff --git a/app/src/main/java/com/owncloud/android/ui/helpers/UriUploader.kt b/app/src/main/java/com/owncloud/android/ui/helpers/UriUploader.kt
index 3db05a6805e8..e58b8b5155dc 100644
--- a/app/src/main/java/com/owncloud/android/ui/helpers/UriUploader.kt
+++ b/app/src/main/java/com/owncloud/android/ui/helpers/UriUploader.kt
@@ -15,6 +15,7 @@ import android.net.Uri
 import android.os.Parcelable
 import com.nextcloud.client.account.User
 import com.nextcloud.client.jobs.upload.FileUploadHelper
+import com.nextcloud.utils.fileNameValidator.FileNameValidator
 import com.owncloud.android.R
 import com.owncloud.android.files.services.NameCollisionPolicy
 import com.owncloud.android.lib.common.utils.Log_OC
@@ -23,6 +24,7 @@ import com.owncloud.android.ui.activity.FileActivity
 import com.owncloud.android.ui.asynctasks.CopyAndUploadContentUrisTask
 import com.owncloud.android.ui.asynctasks.CopyAndUploadContentUrisTask.OnCopyTmpFilesTaskListener
 import com.owncloud.android.ui.fragment.TaskRetainerFragment
+import com.owncloud.android.utils.DisplayUtils
 import com.owncloud.android.utils.UriUtils.getDisplayNameForUri
 
 /**
@@ -70,9 +72,26 @@ class UriUploader(
                 Log_OC.e(TAG, "Sensitive URI detected, aborting upload.")
                 code = UriUploaderResultCode.ERROR_SENSITIVE_PATH
             } else {
-                val uris = mUrisToUpload.filterNotNull()
+                var isInvalidPathMessageDisplayed = false
+                val uris = mUrisToUpload
+                    .filterNotNull()
                     .map { it as Uri }
                     .map { Pair(it, getRemotePathForUri(it)) }
+                    .filter { (_, filename) ->
+                        val isValid = (FileNameValidator.checkFileName(
+                            filename.removePrefix("/"),
+                            mActivity.capabilities,
+                            mActivity, null
+                        ) == null)
+                        if (!isValid && !isInvalidPathMessageDisplayed) {
+                            isInvalidPathMessageDisplayed = true
+                            DisplayUtils.showSnackMessage(
+                                mActivity,
+                                R.string.file_name_validator_upload_content_error
+                            )
+                        }
+                        isValid
+                    }
 
                 val fileUris = uris
                     .filter { it.first.scheme == ContentResolver.SCHEME_FILE }
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index ba8ca85d0ccd..1c8396cfa848 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1209,7 +1209,8 @@
     <string name="secure_share_not_set_up">Secure sharing is not set up for this user</string>
     <string name="share_not_allowed_when_file_drop">Resharing is not allowed during secure file drop</string>
 
-    <string name="file_name_validator_error_copy_or_move">Folder path contains reserved names or invalid character</string>
+    <string name="file_name_validator_upload_content_error">Some contents cannot able to uploaded due to contains reserved names or invalid character.</string>
+    <string name="file_name_validator_error_contains_reserved_names_or_invalid_characters">Folder path contains reserved names or invalid character</string>
     <string name="file_name_validator_error_invalid_character">File name contains invalid characters: %s</string>
     <string name="file_name_validator_error_reserved_names">%s is a reserved name</string>
     <string name="file_name_validator_error_ends_with_space_period">File name ends with a space or a period</string>