diff --git a/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.h b/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.h
index 592ef77c0d..c7d752a042 100644
--- a/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.h
+++ b/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.h
@@ -10,9 +10,14 @@
 #import <Cocoa/Cocoa.h>
 #undef FixedPoint
 
+#import "LagomPDFView.h"
+
 NS_ASSUME_NONNULL_BEGIN
 
 @interface LagomPDFDocument : NSDocument
+{
+    IBOutlet LagomPDFView* _pdfView;
+}
 
 @end
 
diff --git a/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.mm b/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.mm
index 510754ee82..628b9e11a9 100644
--- a/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.mm
+++ b/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.mm
@@ -46,7 +46,9 @@
 - (void)windowControllerDidLoadNib:(NSWindowController*)aController
 {
     [super windowControllerDidLoadNib:aController];
-    // Add any code here that needs to be executed once the windowController has loaded the document's window.
+    if (_doc) {
+        [_pdfView setDocument:_doc->make_weak_ptr()];
+    }
 }
 
 - (NSData*)dataOfType:(NSString*)typeName error:(NSError**)outError
@@ -96,4 +98,10 @@
     return YES;
 }
 
++ (BOOL)canConcurrentlyReadDocumentsOfType:(NSString*)typeName
+{
+    // Run readFromData:ofType:error: on background thread:
+    return YES;
+}
+
 @end
diff --git a/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.xib b/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.xib
index c8df7b7d7c..b0a6a2ebc7 100644
--- a/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.xib
+++ b/Meta/Lagom/Contrib/MacPDF/LagomPDFDocument.xib
@@ -8,6 +8,7 @@
     <objects>
         <customObject id="-2" userLabel="File's Owner" customClass="LagomPDFDocument">
             <connections>
+                <outlet property="_pdfView" destination="gIp-Ho-8D9" id="bcT-vU-foe"/>
                 <outlet property="window" destination="xOd-HO-29H" id="JIz-fz-R2o"/>
             </connections>
         </customObject>
diff --git a/Meta/Lagom/Contrib/MacPDF/LagomPDFView.h b/Meta/Lagom/Contrib/MacPDF/LagomPDFView.h
index cf8c08d579..6d781ecb18 100644
--- a/Meta/Lagom/Contrib/MacPDF/LagomPDFView.h
+++ b/Meta/Lagom/Contrib/MacPDF/LagomPDFView.h
@@ -12,7 +12,13 @@
 #import <Cocoa/Cocoa.h>
 #undef FixedPoint
 
+#include <AK/WeakPtr.h>
+#include <LibPDF/Document.h>
+
 @interface LagomPDFView : NSView
 {
 }
+
+- (void)setDocument:(WeakPtr<PDF::Document>)doc;
+
 @end
diff --git a/Meta/Lagom/Contrib/MacPDF/LagomPDFView.mm b/Meta/Lagom/Contrib/MacPDF/LagomPDFView.mm
index 4106864f16..b3cd452fbf 100644
--- a/Meta/Lagom/Contrib/MacPDF/LagomPDFView.mm
+++ b/Meta/Lagom/Contrib/MacPDF/LagomPDFView.mm
@@ -15,8 +15,7 @@
 
 @interface LagomPDFView ()
 {
-    RefPtr<Core::MappedFile> _file;
-    RefPtr<PDF::Document> _doc;
+    WeakPtr<PDF::Document> _doc;
     NSBitmapImageRep* _rep;
     int _page_index;
 }
@@ -63,18 +62,11 @@ static NSBitmapImageRep* ns_from_gfx(NonnullRefPtr<Gfx::Bitmap> bitmap_p)
 
 @implementation LagomPDFView
 
-- (PDF::PDFErrorOr<NonnullRefPtr<PDF::Document>>)load
+- (void)setDocument:(WeakPtr<PDF::Document>)doc
 {
-    auto source_root = DeprecatedString("/Users/thakis/src/serenity");
-    Gfx::FontDatabase::set_default_fonts_lookup_path(DeprecatedString::formatted("{}/Base/res/fonts", source_root));
-
-    _file = TRY(Core::MappedFile::map("/Users/thakis/Downloads/pdf_reference_1-7.pdf"sv));
-    //    _file = TRY(Core::MappedFile::map("/Users/thakis/Downloads/DC-008-Translation-2023-E.pdf"sv));
-    //    _file = TRY(Core::MappedFile::map("/Users/thakis/Downloads/ISO_32000-2-2020_sponsored.pdf"sv));
-    //    _file = TRY(Core::MappedFile::map("/Users/thakis/Downloads/Text.pdf"sv));
-    auto document = TRY(PDF::Document::create(_file->bytes()));
-    TRY(document->initialize());
-    return document;
+    _doc = move(doc);
+    _page_index = min(24 - 1, _doc->get_page_count() - 1);
+    [self pageChanged];
 }
 
 - (void)pageChanged
@@ -88,17 +80,8 @@ static NSBitmapImageRep* ns_from_gfx(NonnullRefPtr<Gfx::Bitmap> bitmap_p)
 
 - (void)drawRect:(NSRect)rect
 {
-    static bool did_load = false;
-    if (!did_load) {
-        _page_index = 24 - 1;
-        did_load = true;
-        if (auto doc_or = [self load]; !doc_or.is_error()) {
-            _doc = doc_or.value();
-            [self pageChanged];
-        } else {
-            NSLog(@"failed to load: %@", @(doc_or.error().message().characters()));
-        }
-    }
+    if (!_doc)
+        return;
     [_rep drawInRect:self.bounds];
 }