diff --git a/macos/Sources/Features/Terminal/TerminalController.swift b/macos/Sources/Features/Terminal/TerminalController.swift
index f31c43aec..644a0c8ac 100644
--- a/macos/Sources/Features/Terminal/TerminalController.swift
+++ b/macos/Sources/Features/Terminal/TerminalController.swift
@@ -196,7 +196,12 @@ class TerminalController: BaseTerminalController, TabGroupCloseCoordinator.Contr
 
         if let parent {
             if parent.styleMask.contains(.fullScreen) {
-                parent.toggleFullScreen(nil)
+                // If our previous window was fullscreen then we want our new window to
+                // be fullscreen. This behavior actually doesn't match the native tabbing
+                // behavior of macOS apps where new windows create tabs when in native
+                // fullscreen but this is how we've always done it. This matches iTerm2
+                // behavior.
+                c.toggleFullscreen(mode: .native)
             } else if ghostty.config.windowFullscreen {
                 switch (ghostty.config.windowFullscreenMode) {
                 case .native: