diff --git a/README.md b/README.md
index 33b574c..45b9dfb 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,11 @@ This is the client executed when you download the stand-alone binary or when you
 
 The GUI supports two output format: SUP and PES+MUI (Scenarist BD).
 
+### GUI config.ini
+The config.ini file can be used to specify the relative or absolute path to a quantizer binary (either pngquant[.exe] or libimagequant[.dll, .so]). If the program is in PATH, the name is sufficient. An external quantizer will offer higher quality than the common Python ones (Pillow or a K-Means clustering) and be, in general, faster.
+
+On UNIX systems, pngquant is fairly easily to get in your PATH via brew, apt-get and so on.
+
 ## Command line client
 `supercli.py` is essentially the command line equivalent to `supergui.py`.
 
diff --git a/SUPer/__metadata__.py b/SUPer/__metadata__.py
index 63a2559..26f206f 100644
--- a/SUPer/__metadata__.py
+++ b/SUPer/__metadata__.py
@@ -19,8 +19,8 @@
 """
 
 __MAJOR = 0
-__MINOR = 1
-__REVISION = 9
+__MINOR = 2
+__REVISION = 0
 
 __name__    = "SUPer"
 __version__ = '.'.join(map(str, [__MAJOR, __MINOR, __REVISION]))
diff --git a/supergui.py b/supergui.py
index 1494c70..a2219c4 100644
--- a/supergui.py
+++ b/supergui.py
@@ -192,6 +192,8 @@ def get_value_key(config, key: str):
         CWD = Path(os.path.abspath(Path(sys.argv[0]).parent))
         config.read(CWD.joinpath('config.ini'))
         exepath = get_value_key(config['PILIQ'], 'quantizer')
+        if not os.path.isabs(exepath):
+            exepath = str(CWD.joinpath(exepath))
     except:
         exepath = None
     if Quantizer.init_piliq(exepath):