diff --git a/svgpathtools/document.py b/svgpathtools/document.py
index 0e17a95..b10ed6d 100644
--- a/svgpathtools/document.py
+++ b/svgpathtools/document.py
@@ -113,7 +113,7 @@ def flatten_all_paths(
     StackElement = collections.namedtuple('StackElement', ['group', 'transform'])
 
     def new_stack_element(element, last_tf):
-        return StackElement(element, last_tf * parse_transform(element.get('transform')))
+        return StackElement(element, last_tf.dot(parse_transform(element.get('transform'))))
 
     def get_relevant_children(parent, last_tf):
         children = []
@@ -133,7 +133,7 @@ def flatten_all_paths(
         # the path_filter accepts it.
         for key, converter in path_conversions.iteritems():
             for path_elem in filter(path_filter, top.group.iterfind('svg:'+key, SVG_NAMESPACE)):
-                path_tf = top.transform * parse_transform(path_elem.get('transform'))
+                path_tf = top.transform.dot(parse_transform(path_elem.get('transform')))
                 path = transform(parse_path(converter(path_elem)), path_tf)
                 paths.append(FlattenedPath(path, path_elem.attrib, path_tf))
 
diff --git a/svgpathtools/parser.py b/svgpathtools/parser.py
index f01aee5..07fb0e1 100644
--- a/svgpathtools/parser.py
+++ b/svgpathtools/parser.py
@@ -257,8 +257,10 @@ def _parse_transform_substr(transform_substr):
         tf_offset[0:2, 2:3] = np.matrix([[offset[0]], [offset[1]]])
         tf_rotate = np.identity(3)
         tf_rotate[0:2, 0:2] = np.matrix([[np.cos(angle), -np.sin(angle)], [np.sin(angle), np.cos(angle)]])
+        tf_offset_neg = np.identity(3)
+        tf_offset_neg[0:2, 2:3] = np.matrix([[-offset[0]], [-offset[1]]])
 
-        transform = tf_offset * tf_rotate * (-tf_offset)
+        transform = tf_offset.dot(tf_rotate).dot(tf_offset_neg)
 
     elif 'skewX' in transform_substr:
         if not _check_num_parsed_values(values, [1]):
@@ -289,6 +291,6 @@ def parse_transform(transform_str):
     total_transform = np.identity(3)
     transform_substrs = transform_str.split(')')[:-1]  # Skip the last element, because it should be empty
     for substr in transform_substrs:
-        total_transform *= _parse_transform_substr(substr)
+        total_transform = total_transform.dot(_parse_transform_substr(substr))
 
     return total_transform