diff --git a/macos/Sources/Features/QuickTerminal/QuickTerminalController.swift b/macos/Sources/Features/QuickTerminal/QuickTerminalController.swift
index 3bd8bc18f..b9f879a30 100644
--- a/macos/Sources/Features/QuickTerminal/QuickTerminalController.swift
+++ b/macos/Sources/Features/QuickTerminal/QuickTerminalController.swift
@@ -111,12 +111,24 @@ class QuickTerminalController: BaseTerminalController {
         // Setup our initial size based on our configured position
         position.setLoaded(window)
 
+        // Upon first adding this Window to its host view, older SwiftUI
+        // seems to have a "hiccup" and corrupts the frameRect,
+        // sometimes setting the size to zero, sometimes corrupting it.
+        // We pass the actual window's frame as "inital" frame directly
+        // to the window, so it can use that instead of the frameworks
+        // "interpretation"
+        if let qtWindow = window as? QuickTerminalWindow {
+            qtWindow.initialFrame = window.frame
+        }
         // Setup our content
         window.contentView = NSHostingView(rootView: TerminalView(
             ghostty: self.ghostty,
             viewModel: self,
             delegate: self
         ))
+        if let qtWindow = window as? QuickTerminalWindow {
+            qtWindow.initialFrame = nil
+        }
 
         // Animate the window in
         animateIn()
diff --git a/macos/Sources/Features/QuickTerminal/QuickTerminalWindow.swift b/macos/Sources/Features/QuickTerminal/QuickTerminalWindow.swift
index 005808a23..663f868f9 100644
--- a/macos/Sources/Features/QuickTerminal/QuickTerminalWindow.swift
+++ b/macos/Sources/Features/QuickTerminal/QuickTerminalWindow.swift
@@ -29,4 +29,14 @@ class QuickTerminalWindow: NSPanel {
         // We don't want to activate the owning app when quick terminal is triggered.
         self.styleMask.insert(.nonactivatingPanel)
     }
+    var initialFrame: NSRect? = nil
+    override func setFrame(_ frameRect: NSRect, display flag: Bool) {
+        // Upon first adding this Window to its host view, older SwiftUI
+        // seems to have a "hiccup" and corrupts the frameRect,
+        // sometimes setting the size to zero, sometimes corrupting it.
+        // If we find we have cached the "initial" frame, use that instead
+        // the propagated one throught the framework
+        super.setFrame(initialFrame ?? frameRect, display: flag)
+    }
+
 }