diff --git a/etgtools/sphinx_generator.py b/etgtools/sphinx_generator.py
index 4019f0bb..5b9dec90 100644
--- a/etgtools/sphinx_generator.py
+++ b/etgtools/sphinx_generator.py
@@ -1401,7 +1401,10 @@ class Snippet(Node):
         """
         
         docstrings = ''
-        
+
+        if not os.path.exists(os.path.dirname(self.cpp_file)):
+            os.makedirs(os.path.dirname(self.cpp_file))
+            
         fid = open(self.cpp_file, 'wt')
         fid.write(self.snippet)
         fid.close()
diff --git a/sphinxtools/inheritance.py b/sphinxtools/inheritance.py
index a5fb9db0..b80654aa 100644
--- a/sphinxtools/inheritance.py
+++ b/sphinxtools/inheritance.py
@@ -237,6 +237,8 @@ class InheritanceDiagram(object):
         """
 
         static_root = INHERITANCEROOT
+        if not os.path.exists(static_root):
+            os.makedirs(static_root)
 
         if self.main_class is not None:
             filename = self.main_class.name