diff --git a/plotter-lod.inx b/plotter-lod.inx
index 6f5d67c..2e3a092 100644
--- a/plotter-lod.inx
+++ b/plotter-lod.inx
@@ -3,7 +3,7 @@
     <_name>LY Drawbot tool by Love Open Design</_name>
     <id>love-open-design.com</id>
 	<dependency type="executable" location="inx">plotter-lod.py</dependency>
-	<dependency type="executable" location="extensions">inkex.py</dependency>
+	<dependency type="executable" location="extensions">inkex</dependency>
 
 	<param name="plotter-command" type="string" _gui-text="Drawing ON Command:">M03</param>
 	<param name="plotter-off-command" type="string" _gui-text="Drawing OFF Command:">M05</param>
diff --git a/plotter-lod.py b/plotter-lod.py
index c3736e0..c2c9b2d 100644
--- a/plotter-lod.py
+++ b/plotter-lod.py
@@ -804,6 +804,8 @@ class LaserGcode(inkex.Effect):
 
 
     def check_dir(self):
+        if not self.options.directory:
+            self.options.directory = os.getcwd() + "/"
         if self.options.directory[-1] not in ["/", "\\"]:
             if "\\" in self.options.directory:
                 self.options.directory += "\\"
@@ -938,7 +940,7 @@ class LaserGcode(inkex.Effect):
             if 'transform' in list(g.keys()):
                 t = g.get('transform')
                 t = [list(row) for row in Transform(t).matrix]
-                trans = [list(row) for row in (Transform(t) * Transform(trans)).matrix] if trans != [] else t
+                trans = [list(row) for row in (Transform(t) @ Transform(trans)).matrix] if trans != [] else t
                 print_(trans)
             g = g.getparent()
         return trans
@@ -1072,15 +1074,15 @@ class LaserGcode(inkex.Effect):
                         active_layer_already_has_tool
                         active_layer_already_has_orientation_points
                     """
-        if type_.lower() in re.split("[\s\n,\.]+", errors.lower()):
+        if type_.lower() in re.split(r"[\s\n,\.]+", errors.lower()):
             print_(s)
             inkex.errormsg(s + "\n")
             sys.exit()
-        elif type_.lower() in re.split("[\s\n,\.]+", warnings.lower()):
+        elif type_.lower() in re.split(r"[\s\n,\.]+", warnings.lower()):
             print_(s)
             if not self.options.suppress_all_messages:
                 inkex.errormsg(s + "\n")
-        elif type_.lower() in re.split("[\s\n,\.]+", notes.lower()):
+        elif type_.lower() in re.split(r"[\s\n,\.]+", notes.lower()):
             print_(s)
         else:
             print_(s)
@@ -1202,7 +1204,7 @@ class LaserGcode(inkex.Effect):
                 for path in self.selected_paths[layer]:
                     if self.options.dxfpoints_action == 'replace':
                         path.set("dxfpoint", "1")
-                        r = re.match("^\s*.\s*(\S+)", path.get("d"))
+                        r = re.match(r"^\s*.\s*(\S+)", path.get("d"))
                         if r != None:
                             print_(("got path=", r.group(1)))
                             path.set("d",
@@ -1429,6 +1431,8 @@ class LaserGcode(inkex.Effect):
         options.doc_root = self.document.getroot()
         # define print_ function
         global print_
+        self.options.log_create_log = True  # Force enable for verbose logging
+        self.options.log_filename = os.path.expanduser("~/log.log")
         if self.options.log_create_log:
             try:
                 if os.path.isfile(self.options.log_filename): os.remove(self.options.log_filename)