diff --git a/src/GitHub/upload.ts b/src/GitHub/upload.ts
index bf46f24c..9a00ca6b 100644
--- a/src/GitHub/upload.ts
+++ b/src/GitHub/upload.ts
@@ -458,7 +458,8 @@ export default class Publisher {
 			properties.frontmatter.prop
 		);
 		if (this.settings.github.dryRun.enable) {
-			const folderName = this.settings.github.dryRun.folderName
+			const originalFolderName = this.settings.github.dryRun.folderName.trim().length > 0 ? this.settings.github.dryRun.folderName : "enveloppe";
+			const folderName = originalFolderName
 				.replace("{{repo}}", prop.repo)
 				.replace("{{branch}}", prop.branch)
 				.replace("{{owner}}", prop.owner);
diff --git a/src/settings.ts b/src/settings.ts
index dc997069..8b3e31bc 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -331,16 +331,24 @@ export class EnveloppeSettingsTab extends PluginSettingTab {
 				})
 			);
 
+		const defaultFolderName = githubSettings.dryRun.folderName.trim().length > 0 ? githubSettings.dryRun.folderName :"enveloppe";
+
 		new Setting(this.settingsPage)
 			.setName(i18next.t("settings.github.dryRun.folder.title"))
 			.setDesc(i18next.t("settings.github.dryRun.folder.desc"))
 			.addText((text) =>
 				text
 					.setPlaceholder("enveloppe")
-					.setValue(githubSettings.dryRun.folderName)
+					.setValue(defaultFolderName)
 					.onChange(async (value) => {
 						githubSettings.dryRun.folderName = value.trim();
-						await this.plugin.saveSettings();
+						if (value.trim().length === 0) {
+							new Notice(i18next.t("settings.github.dryRun.folder.error"));
+							text.inputEl.addClass("error");
+						} else {
+							text.inputEl.removeClass("error");
+							await this.plugin.saveSettings();
+						}
 					})
 			);
 
diff --git a/src/styles.css b/src/styles.css
index 324c907e..7cba57e4 100644
--- a/src/styles.css
+++ b/src/styles.css
@@ -367,7 +367,7 @@ span.enveloppe.icons {
 	border-left: 3px solid var(--color-orange);
 	padding-left: 5px;
 }
-
+.enveloppe input.error,
 .enveloppe .error input {
 	border: 1px solid var(--text-error);
 }
@@ -376,6 +376,12 @@ span.enveloppe.icons {
 	width: 100%;
 }
 
+.enveloppe input.error:active,
+.enveloppe input.error:focus {
+	border: 2px solid var(--text-error);
+	box-shadow: none !important;
+}
+
 .enveloppe .display-none .setting-item-info {
 	display: none;
 }