diff --git a/frontend/src/components/LeftSidebar.tsx b/frontend/src/components/LeftSidebar.tsx
index 2a1428d..2acc0a0 100644
--- a/frontend/src/components/LeftSidebar.tsx
+++ b/frontend/src/components/LeftSidebar.tsx
@@ -121,11 +121,10 @@ const LeftSidebar: React.FC<LeftSidebarProps> = ({ activeTool, onToolChange, sel
         </div>
       )}
 
-      {blocks && blocks.length > 0 && (
-        <div className="tool-section" key="library">
-          <div className="tool-section-label">Bibliothek</div>
+      <div className="tool-section" key="library">
+        <div className="tool-section-label">Bibliothek</div>
           <BlockLibrary
-            blocks={blocks}
+            blocks={blocks || []}
             category="Alle"
             onCategoryChange={onBlockCategoryChange ?? (() => {})}
             onSearch={onBlockSearch ?? (() => {})}
@@ -136,8 +135,7 @@ const LeftSidebar: React.FC<LeftSidebarProps> = ({ activeTool, onToolChange, sel
             onSvgImport={onSvgImport}
             onSaveGroupAsBlock={onSaveGroupAsBlock}
           />
-        </div>
-      )}
+      </div>
 
       <div className="leftbar-footer">
         {onToggleCollapse && (