diff --git a/OpenTap.Python/PythonInstallationDiscoverer.cs b/OpenTap.Python/PythonInstallationDiscoverer.cs
index d3bed78..babf6b9 100644
--- a/OpenTap.Python/PythonInstallationDiscoverer.cs
+++ b/OpenTap.Python/PythonInstallationDiscoverer.cs
@@ -49,6 +49,9 @@ static bool GetVersion(string libPath, out int major, out int minor)
         
         var sh = SharedLib.Load(libPath);
 
+        if (sh is null)
+            return false;
+
         var versionSymbol = sh.GetSymbol("Py_GetVersion");
         if (versionSymbol == IntPtr.Zero) 
             return false;