diff --git a/invesalius/constants.py b/invesalius/constants.py
index 65f6ced..ddeaa3b 100644
--- a/invesalius/constants.py
+++ b/invesalius/constants.py
@@ -227,12 +227,13 @@ WINDOW_LEVEL = {"Abdomen":(350,50),
                  "Vasculature - Hard":(240,80),
                  "Vasculature - Soft":(650,160)}
 
-if (platform.architecture()[0] == '32bit'):
+if (sys.platform == 'win32') and (platform.architecture()[0] == '32bit'):
+    REDUCE_IMAGEDATA_QUALITY = 1
+elif (sys.platform == 'darwin'):
     REDUCE_IMAGEDATA_QUALITY = 1
 else:
     REDUCE_IMAGEDATA_QUALITY = 0
 
-
 ICON_DIR = os.path.abspath(os.path.join('..', 'icons'))
 LANGUAGE_DIR = os.path.abspath(os.path.join('..','locale'))
 
--
libgit2 0.21.2