diff --git a/.pyspelling.yml b/.pyspelling.yml
index 3fc980a..3d830e1 100644
--- a/.pyspelling.yml
+++ b/.pyspelling.yml
@@ -44,8 +44,9 @@ matrix:
       - title
       - alt
       ignores:
-      - ':is(code, pre, a.magiclink, span.keys)'
-      - ':is(.MathJax_Preview, .md-nav__link, .md-footer-custom-text, .md-source__repository, .headerlink, .md-icon)'
+      - 'code, pre, a.magiclink, span.keys'
+      - '.MathJax_Preview, .md-nav__link, .md-footer-custom-text, .md-source__repository, .headerlink, .md-icon'
+      - '.md-footer-social__link'
   - pyspelling.filters.url:
 
 - name: markdown
diff --git a/ApplySyntax.py b/ApplySyntax.py
index 6ae4b1b..ab6bb2c 100755
--- a/ApplySyntax.py
+++ b/ApplySyntax.py
@@ -445,6 +445,9 @@ def set_syntax(self, name):
             names = name
 
         for n in names:
+            if not n:
+                continue
+
             path = os.path.dirname(n)
             if not path:
                 continue
diff --git a/CHANGES.md b/CHANGES.md
index 12b6057..c369565 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # ApplySyntax
 
+## 3.0.1
+
+- **FIX**: Avoid evaluating path if it is None.
+
 ## 3.0.0
 
 - **NEW**: Remove deprecations.
diff --git a/support.py b/support.py
index 5565aab..a93411f 100644
--- a/support.py
+++ b/support.py
@@ -5,7 +5,7 @@
 import webbrowser
 import re
 
-__version__ = "3.0.0"
+__version__ = "3.0.1"
 __pc_name__ = 'ApplySyntax'
 
 CSS = '''