diff --git a/app/Models/Foundation/Summit/Events/Presentations/Materials/PresentationMaterial.php b/app/Models/Foundation/Summit/Events/Presentations/Materials/PresentationMaterial.php
index a67f1bfa0..50dfb8946 100644
--- a/app/Models/Foundation/Summit/Events/Presentations/Materials/PresentationMaterial.php
+++ b/app/Models/Foundation/Summit/Events/Presentations/Materials/PresentationMaterial.php
@@ -68,7 +68,7 @@ public function getPresentationId(){
         try {
             return $this->presentation->getId();
         }
-        catch (\Exception $ex){
+        catch (\Throwable $ex){
             return 0;
         }
     }
@@ -81,7 +81,7 @@ public function getSummitId(): int
         try {
             return $this->presentation->getSummitId();
         }
-        catch (\Exception $ex){
+        catch (\Throwable $ex){
             return 0;
         }
     }
diff --git a/tests/Unit/Services/PresentationMaterialEventDispatchTest.php b/tests/Unit/Services/PresentationMaterialEventDispatchTest.php
index 0f7e790d6..a457e81b7 100644
--- a/tests/Unit/Services/PresentationMaterialEventDispatchTest.php
+++ b/tests/Unit/Services/PresentationMaterialEventDispatchTest.php
@@ -136,4 +136,17 @@ public function testDeleteMediaUploadDispatchesLifeCycleEventWithoutError(): voi
         $this->assertCount(1, $jobs, 'Expected 1 ProcessScheduleEntityLifeCycleEvent for PresentationMediaUpload delete');
         $this->assertSame(0, $jobs[0]->summit_id, 'summit_id is 0 here because unsetPresentation() runs before PreRemove - accepted degraded case, not a regression');
     }
+
+    /**
+     * Both accessors must survive a material whose owning presentation is not set - the
+     * state removeMediaUpload() leaves behind before PreRemove fires. A null dereference
+     * throws \Error, which a catch of \Exception does not cover.
+     */
+    public function testAccessorsReturnZeroWhenPresentationIsNotSet(): void
+    {
+        $media_upload = new PresentationMediaUpload();
+
+        $this->assertSame(0, $media_upload->getPresentationId());
+        $this->assertSame(0, $media_upload->getSummitId());
+    }
 }