diff --git a/src/octoprint/static/js/app/viewmodels/control.js b/src/octoprint/static/js/app/viewmodels/control.js
index 3e5d24b8..4950af7b 100644
--- a/src/octoprint/static/js/app/viewmodels/control.js
+++ b/src/octoprint/static/js/app/viewmodels/control.js
@@ -402,6 +402,8 @@ $(function() {
         };
 
         self.onWebcamLoaded = function() {
+            if (self.webcamLoaded()) return;
+
             log.debug("Webcam stream loaded");
             self.webcamLoaded(true);
             self.webcamError(false);