diff --git a/src/NzbDrone.Mono/EnvironmentInfo/VersionAdapters/MacOsVersionAdapter.cs b/src/NzbDrone.Mono/EnvironmentInfo/VersionAdapters/MacOsVersionAdapter.cs
index 175219d61..59f743da2 100644
--- a/src/NzbDrone.Mono/EnvironmentInfo/VersionAdapters/MacOsVersionAdapter.cs
+++ b/src/NzbDrone.Mono/EnvironmentInfo/VersionAdapters/MacOsVersionAdapter.cs
@@ -36,8 +36,8 @@ namespace NzbDrone.Mono.EnvironmentInfo.VersionAdapters
             var allFiles = _diskProvider.GetFiles(PLIST_DIR, SearchOption.TopDirectoryOnly);
 
             var versionFile = allFiles.SingleOrDefault(c =>
-                c.EndsWith("SystemVersion.plist") ||
-                c.EndsWith("ServerVersion.plist"));
+                c.EndsWith("/SystemVersion.plist") ||
+                c.EndsWith("/ServerVersion.plist"));
 
             if (string.IsNullOrWhiteSpace(versionFile))
             {