diff --git a/src/NzbDrone.Mono/EnvironmentInfo/VersionAdapters/MacOsVersionAdapter.cs b/src/NzbDrone.Mono/EnvironmentInfo/VersionAdapters/MacOsVersionAdapter.cs
index 0a9b1f8ca..9997b25dc 100644
--- a/src/NzbDrone.Mono/EnvironmentInfo/VersionAdapters/MacOsVersionAdapter.cs
+++ b/src/NzbDrone.Mono/EnvironmentInfo/VersionAdapters/MacOsVersionAdapter.cs
@@ -37,8 +37,8 @@ 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))
             {