diff --git a/mkdocs_with_pdf/drivers/relaxedjs.py b/mkdocs_with_pdf/drivers/relaxedjs.py
index a0177ad2..dbe0a584 100644
--- a/mkdocs_with_pdf/drivers/relaxedjs.py
+++ b/mkdocs_with_pdf/drivers/relaxedjs.py
@@ -42,3 +42,7 @@ def write_pdf(self, html_string: str, output: str):
                         self._logger.info(f"  {log}")
                     if proc.poll() is not None:
                         break
+                    # workaround for '--build-once' not working
+                    if log.find("Now idle and waiting for file changes") > -1:
+                        proc.kill()
+                        break
diff --git a/mkdocs_with_pdf/utils/image_util.py b/mkdocs_with_pdf/utils/image_util.py
index 3e73506d..21d69b4d 100644
--- a/mkdocs_with_pdf/utils/image_util.py
+++ b/mkdocs_with_pdf/utils/image_util.py
@@ -15,7 +15,12 @@ def fix_image_alignment(soup: PageElement, logger: Logger = None):
             if img.has_attr('class') and 'twemoji' in img['class']:
                 continue
 
-            styles = _parse_style(getattr(img, 'style', ''))
+            if not (img.has_attr('align')
+                    or img.has_attr('width')
+                    or img.has_attr('height')):
+                continue
+
+            styles = _parse_style(img.get('style', ''))
 
             logger.debug(f'  | {img}')
             if img.has_attr('align'):