diff --git a/entangled/hooks/shebang.py b/entangled/hooks/shebang.py
index 145f14b..2828cac 100644
--- a/entangled/hooks/shebang.py
+++ b/entangled/hooks/shebang.py
@@ -5,6 +5,11 @@
 class Hook(HookBase):
     def on_read(self, code: CodeBlock):
         lines = code.source.splitlines()
+        if len(lines) == 0:
+            return
+
         if lines[0].startswith("#!"):
             code.header = lines[0]
             code.source = "\n".join(lines[1:])
+
+        return