diff --git a/Sources/RSCore/AppKit/IndeterminateProgressWindowController.swift b/Sources/RSCoreResources/AppKit/IndeterminateProgressWindowController.swift
similarity index 92%
rename from Sources/RSCore/AppKit/IndeterminateProgressWindowController.swift
rename to Sources/RSCoreResources/AppKit/IndeterminateProgressWindowController.swift
index 6bbc755..8c1dc27 100644
--- a/Sources/RSCore/AppKit/IndeterminateProgressWindowController.swift
+++ b/Sources/RSCoreResources/AppKit/IndeterminateProgressWindowController.swift
@@ -56,9 +56,9 @@ private final class IndeterminateProgressWindowController: NSWindowController {
 	@objc dynamic var message = ""
 
 	convenience init(message: String) {
-
-		self.init(windowNibName: NSNib.Name("IndeterminateProgressWindow"))
+        self.init(window: nil)
 		self.message = message
+        Bundle.module.loadNibNamed("IndeterminateProgressWindow", owner: self, topLevelObjects: nil)
 	}
 
 	override func windowDidLoad() {