diff --git a/src/folderOverview/FolderOverview.ts b/src/folderOverview/FolderOverview.ts
index c11c18d..551287a 100644
--- a/src/folderOverview/FolderOverview.ts
+++ b/src/folderOverview/FolderOverview.ts
@@ -409,7 +409,7 @@ export class FolderOverview {
     }
 
     getElFromOverview(path: string): HTMLElement | null {
-        const el = this.listEl.querySelector(`[data-path="${path}"]`) as HTMLElement | null;
+        const el = this.listEl.querySelector(`[data-path="${CSS.escape(path)}"]`) as HTMLElement | null;
         return el;
     }
 
@@ -464,4 +464,4 @@ class CustomMarkdownRenderChild extends MarkdownRenderChild {
     onunload() {
         this.folderOverview.disconnectListeners();
     }
-}
\ No newline at end of file
+}
diff --git a/src/functions/styleFunctions.ts b/src/functions/styleFunctions.ts
index 4cdaf87..b5526b5 100644
--- a/src/functions/styleFunctions.ts
+++ b/src/functions/styleFunctions.ts
@@ -125,7 +125,7 @@ export async function addCSSClassToTitleEL(path: string, cssClass: string, plugi
         return;
     }
     fileExplorerItem.addClass(cssClass);
-    const viewHeaderItems = document.querySelectorAll(`[data-path="${path}"]`);
+    const viewHeaderItems = document.querySelectorAll(`[data-path="${CSS.escape(path)}"]`);
     viewHeaderItems.forEach((item) => {
         item.addClass(cssClass);
     });
@@ -134,7 +134,7 @@ export async function addCSSClassToTitleEL(path: string, cssClass: string, plugi
 export function removeCSSClassFromEL(path: string | undefined, cssClass: string, plugin: FolderNotesPlugin) {
     if (!path) return;
     const fileExplorerItem = getEl(path, plugin);
-    const viewHeaderItems = document.querySelectorAll(`[data-path="${path}"]`);
+    const viewHeaderItems = document.querySelectorAll(`[data-path="${CSS.escape(path)}"]`);
     viewHeaderItems.forEach((item) => {
         item.removeClass(cssClass);
     });
@@ -151,4 +151,4 @@ export function getEl(path: string, plugin: FolderNotesPlugin): HTMLElement | nu
     if (!fileExplorerItem) { return null; }
     if (fileExplorerItem.selfEl) return fileExplorerItem.selfEl;
     return fileExplorerItem.titleEl;
-}
\ No newline at end of file
+}