diff -Naur BlendLuxCore-blendluxcore_v2.2/draw/viewport.py BlendLuxCore-blendluxcore_v2.2-patch/draw/viewport.py
--- BlendLuxCore-blendluxcore_v2.2/draw/viewport.py	2019-09-30 12:40:01.000000000 +0200
+++ BlendLuxCore-blendluxcore_v2.2-patch/draw/viewport.py	2019-11-28 08:19:28.433741235 +0100
@@ -8,6 +8,7 @@
 from ..bin import pyluxcore
 from .. import utils
 from ..utils import pfm
+from shutil import which
 
 NULL = 0
 
@@ -72,8 +73,7 @@
         self._albedo_file_path = self._make_denoiser_filepath("albedo")
         self._normal_file_path = self._make_denoiser_filepath("normal")
         self._denoised_file_path = self._make_denoiser_filepath("denoised")
-        current_dir = os.path.dirname(os.path.realpath(__file__))
-        self._denoiser_path = os.path.join(os.path.dirname(current_dir), "bin", "denoise")
+        self._denoiser_path = which('denoise')
         if platform.system() == "Windows":
             self._denoiser_path += ".exe"
         self._denoiser_process = None