diff --git a/app/src/main/java/io/xpipe/app/core/window/ModifiedStage.java b/app/src/main/java/io/xpipe/app/core/window/ModifiedStage.java
index 18bc28f82..ef0f69fa1 100644
--- a/app/src/main/java/io/xpipe/app/core/window/ModifiedStage.java
+++ b/app/src/main/java/io/xpipe/app/core/window/ModifiedStage.java
@@ -67,7 +67,7 @@ public class ModifiedStage extends Stage {
             case OsType.MacOs macOs -> {
                 var ctrl = new NativeMacOsWindowControl(stage);
                 var seamlessFrame = !AppPrefs.get().performanceMode().get() && mergeFrame();
-                var seamlessFrameApplied = ctrl.setAppearance(seamlessFrame, AppPrefs.get().theme.getValue().isDark()) && seamlessFrame;
+                var seamlessFrameApplied = seamlessFrame && ctrl.setAppearance(seamlessFrame, AppPrefs.get().theme.getValue().isDark());
                 stage.getScene().getRoot().pseudoClassStateChanged(PseudoClass.getPseudoClass("seamless-frame"), seamlessFrameApplied);
                 stage.getScene().getRoot().pseudoClassStateChanged(PseudoClass.getPseudoClass("separate-frame"), !seamlessFrameApplied);
             }
diff --git a/app/src/main/resources/io/xpipe/app/resources/style/style.css b/app/src/main/resources/io/xpipe/app/resources/style/style.css
index 00bf38800..bfc127634 100644
--- a/app/src/main/resources/io/xpipe/app/resources/style/style.css
+++ b/app/src/main/resources/io/xpipe/app/resources/style/style.css
@@ -57,6 +57,11 @@
     -fx-padding: 0 0 0 0;
 }
 
+.root.macos:seamless-frame.layout > .background {
+    -fx-background-insets: 0;
+    -fx-border-insets: 0;
+}
+
 .root:seamless-frame.layout > .background > * {
     -fx-background-radius: 0 10 0 0;
     -fx-border-radius: 0 10 0 0;