diff --git a/Spaceman/Helpers/SpaceObserver.swift b/Spaceman/Helpers/SpaceObserver.swift
index ac2e23b2..65b3c44f 100644
--- a/Spaceman/Helpers/SpaceObserver.swift
+++ b/Spaceman/Helpers/SpaceObserver.swift
@@ -28,7 +28,7 @@ class SpaceObserver {
     }
     
     @objc public func updateSpaceInformation() {
-        let displays = CGSCopyManagedDisplaySpaces(conn) as! [NSDictionary]
+        let displays = CGSCopyManagedDisplaySpaces(conn)!.takeRetainedValue() as! [NSDictionary]
         var activeSpaceID = -1
         var spacesIndex = 0
         var allSpaces = [Space]()
diff --git a/Spaceman/Spaceman-Bridging-Header.h b/Spaceman/Spaceman-Bridging-Header.h
index 9eb0ac38..3a76aefc 100644
--- a/Spaceman/Spaceman-Bridging-Header.h
+++ b/Spaceman/Spaceman-Bridging-Header.h
@@ -11,7 +11,7 @@
 #import <Foundation/Foundation.h>
 
 int _CGSDefaultConnection();
-id CGSCopyManagedDisplaySpaces(int conn);
+CFArrayRef CGSCopyManagedDisplaySpaces(int conn);
 id CGSCopyActiveMenuBarDisplayIdentifier(int conn);
 
 #endif /* Spaceman_Bridging_Header_h */