diff --git a/src/mac/platform_api.rs b/src/mac/platform_api.rs
index 52ef887..8fc5a92 100644
--- a/src/mac/platform_api.rs
+++ b/src/mac/platform_api.rs
@@ -115,6 +115,8 @@ impl PlatformApi for MacPlatformApi {
                         process_path,
                     };
 
+                    unsafe { CFRelease(window_list_info as CFTypeRef) }
+
                     return Ok(active_window);
                 }
             }