diff --git a/octoprint_sdwire/__init__.py b/octoprint_sdwire/__init__.py
index e2d8b16..b690997 100644
--- a/octoprint_sdwire/__init__.py
+++ b/octoprint_sdwire/__init__.py
@@ -189,6 +189,7 @@ def sdwire_run_upload():
                 sdwire_mount()
                 sdwire_copyfile(path, os.path.join(self.mdir.name, remote_filename), sdwire_set_progress)
                 sdwire_umount()
+                sdwire_set_progress(-1)
 
             except Exception as e:
                 failure_cb(filename, remote_filename, int(time.time() - start_time))
diff --git a/octoprint_sdwire/static/js/sdwire.js b/octoprint_sdwire/static/js/sdwire.js
index 1ebdb26..59ca3b5 100644
--- a/octoprint_sdwire/static/js/sdwire.js
+++ b/octoprint_sdwire/static/js/sdwire.js
@@ -19,7 +19,11 @@ $(function() {
 		}
 
 		if (data.hasOwnProperty("progress")) {
-			self.filesViewModel._setProgressBar(data["progress"], 'Uploading to sdwire - ' + data["progress"] + '%...', false);
+                        if (data["progress"] == -1) {
+                            self.filesViewModel._setProgressBar(0, "", false);
+                        } else {
+			    self.filesViewModel._setProgressBar(data["progress"], 'Uploading to sdwire - ' + data["progress"] + '%...', false);
+                        }
 		}
 
                 if (data.hasOwnProperty("error")) {