diff --git a/anvil/src/udev.rs b/anvil/src/udev.rs
index 8325cac5cb01..d75052023966 100644
--- a/anvil/src/udev.rs
+++ b/anvil/src/udev.rs
@@ -162,8 +162,10 @@ impl DmabufHandler for AnvilState<UdevData> {
             .gpus
             .single_renderer(&self.backend_data.primary_gpu)
             .and_then(|mut renderer| renderer.import_dmabuf(&dmabuf, None))
-            .is_err()
+            .is_ok()
         {
+            let _ = notifier.successful::<AnvilState<UdevData>>();
+        } else {
             notifier.failed();
         }
     }
diff --git a/anvil/src/winit.rs b/anvil/src/winit.rs
index 2397ee18ec33..6f315280fdca 100644
--- a/anvil/src/winit.rs
+++ b/anvil/src/winit.rs
@@ -70,8 +70,10 @@ impl DmabufHandler for AnvilState<WinitData> {
             .backend
             .renderer()
             .import_dmabuf(&dmabuf, None)
-            .is_err()
+            .is_ok()
         {
+            let _ = notifier.successful::<AnvilState<WinitData>>();
+        } else {
             notifier.failed();
         }
     }
diff --git a/anvil/src/x11.rs b/anvil/src/x11.rs
index cb2b37ff697d..05dc363aaf41 100644
--- a/anvil/src/x11.rs
+++ b/anvil/src/x11.rs
@@ -74,7 +74,9 @@ impl DmabufHandler for AnvilState<X11Data> {
     }
 
     fn dmabuf_imported(&mut self, _global: &DmabufGlobal, dmabuf: Dmabuf, notifier: ImportNotifier) {
-        if self.backend_data.renderer.import_dmabuf(&dmabuf, None).is_err() {
+        if self.backend_data.renderer.import_dmabuf(&dmabuf, None).is_ok() {
+            let _ = notifier.successful::<AnvilState<X11Data>>();
+        } else {
             notifier.failed();
         }
     }