2 files changed, 8 insertions, 1 deletions
diff --git a/src/ee/tools/__init__.py b/src/ee/tools/__init__.py
index 1c4e769..00fee58 100644
--- a/src/ee/tools/__init__.py
+++ b/src/ee/tools/__init__.py
@@ -71,6 +71,9 @@ def process_default_argparse_group(args):
 
 
 def parse_bool(v):
+    if v is None:
+        return False
+
     if isinstance(v, bool):
         return v
 
diff --git a/src/ee/tools/ninja.py b/src/ee/tools/ninja.py
index c669ad1..eff5a18 100644
--- a/src/ee/tools/ninja.py
+++ b/src/ee/tools/ninja.py
@@ -151,8 +151,12 @@ def generate(project: Project):
         f.write("\n")
         if len(hooks):
             for name, _ in hooks:
-                f.write("# Hook: {}\n".format(name))
                 fragment_name = hook_fragments[name]
+
+                if fragment_name is None:
+                    continue
+
+                f.write("# Hook: {}\n".format(name))
                 f.write(fragment_name)
                 if not fragment_name.endswith("\n"):
                     f.write("\n")