diff --git a/src/main.ts b/src/main.ts
index ece4643..6021668 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -392,8 +392,7 @@ export default class VaultCrdtSyncPlugin extends Plugin {
 		}
 
 		// Parse exclude patterns and file size limit from settings
-		this.excludePatterns = parseExcludePatterns(this.settings.excludePatterns);
-		this.maxFileSize = this.settings.maxFileSizeKB * 1024;
+		this.refreshRuntimeSettings();
 
 		this.applyCursorVisibility();
 
@@ -2320,6 +2319,10 @@ export default class VaultCrdtSyncPlugin extends Plugin {
 	 * The actual cursor styles from y-codemirror.next are hidden when the
 	 * class is absent; we add it when showRemoteCursors is true.
 	 */
+	refreshRuntimeSettings(): void {
+		this.excludePatterns = parseExcludePatterns(this.settings.excludePatterns);
+		this.maxFileSize = this.settings.maxFileSizeKB * 1024;
+	}
 	applyCursorVisibility(): void {
 		document.body.toggleClass(
 			"vault-crdt-show-cursors",
diff --git a/src/settings.ts b/src/settings.ts
index 45b8a18..0735c9d 100644
--- a/src/settings.ts
+++ b/src/settings.ts
@@ -463,7 +463,8 @@ export class VaultSyncSettingTab extends PluginSettingTab {
 						.setValue(this.plugin.settings.excludePatterns)
 						.onChange(async (value) => {
 							this.plugin.settings.excludePatterns = value;
-						await this.plugin.saveSettings();
+							await this.plugin.saveSettings();
+							this.plugin.refreshRuntimeSettings();
 					}),
 			);
 
@@ -479,6 +480,7 @@ export class VaultSyncSettingTab extends PluginSettingTab {
 						if (!isNaN(n) && n > 0) {
 							this.plugin.settings.maxFileSizeKB = n;
 							await this.plugin.saveSettings();
+							this.plugin.refreshRuntimeSettings();
 						}
 					}),
 			);