diff --git a/web/extensions/core/maskeditor.js b/web/extensions/core/maskeditor.js
index f6292b9e..8ace7956 100644
--- a/web/extensions/core/maskeditor.js
+++ b/web/extensions/core/maskeditor.js
@@ -42,7 +42,7 @@ async function uploadMask(filepath, formData) {
 	});
 
 	ComfyApp.clipspace.imgs[ComfyApp.clipspace['selectedIndex']] = new Image();
-	ComfyApp.clipspace.imgs[ComfyApp.clipspace['selectedIndex']].src = api.apiURL("/view?" + new URLSearchParams(filepath).toString() + app.getPreviewFormatParam());
+	ComfyApp.clipspace.imgs[ComfyApp.clipspace['selectedIndex']].src = api.apiURL("/view?" + new URLSearchParams(filepath).toString() + app.getPreviewFormatParam() + app.getRandParam());
 
 	if(ComfyApp.clipspace.images)
 		ComfyApp.clipspace.images[ComfyApp.clipspace['selectedIndex']] = filepath;
@@ -657,4 +657,4 @@ app.registerExtension({
 		const context_predicate = () => ComfyApp.clipspace && ComfyApp.clipspace.imgs && ComfyApp.clipspace.imgs.length > 0
 		ClipspaceDialog.registerButton("MaskEditor", context_predicate, ComfyApp.open_maskeditor);
 	}
-});
\ No newline at end of file
+});
diff --git a/web/scripts/app.js b/web/scripts/app.js
index 8598d447..d3049058 100644
--- a/web/scripts/app.js
+++ b/web/scripts/app.js
@@ -86,6 +86,10 @@ export class ComfyApp {
 			return "";
 	}
 
+	getRandParam() {
+		return "&rand=" + Math.random();
+	}
+
 	static isImageNode(node) {
 		return node.imgs || (node && node.widgets && node.widgets.findIndex(obj => obj.name === 'image') >= 0);
 	}
@@ -437,7 +441,7 @@ export class ComfyApp {
 								return api.apiURL(
 									"/view?" +
 										new URLSearchParams(params).toString() +
-										(this.animatedImages ? "" : app.getPreviewFormatParam())
+										(this.animatedImages ? "" : app.getPreviewFormatParam()) + app.getRandParam()
 								);
 							})
 						);
diff --git a/web/scripts/widgets.js b/web/scripts/widgets.js
index d599b85b..e2e21164 100644
--- a/web/scripts/widgets.js
+++ b/web/scripts/widgets.js
@@ -310,7 +310,7 @@ export const ComfyWidgets = {
 				subfolder = name.substring(0, folder_separator);
 				name = name.substring(folder_separator + 1);
 			}
-			img.src = api.apiURL(`/view?filename=${encodeURIComponent(name)}&type=input&subfolder=${subfolder}${app.getPreviewFormatParam()}`);
+			img.src = api.apiURL(`/view?filename=${encodeURIComponent(name)}&type=input&subfolder=${subfolder}${app.getPreviewFormatParam()}${app.getRandParam()}`);
 			node.setSizeForImage?.();
 		}