diff --git a/tts_yaml_unpacker.py b/tts_yaml_unpacker.py
index 1705aa0..e4aeec8 100755
--- a/tts_yaml_unpacker.py
+++ b/tts_yaml_unpacker.py
@@ -23,7 +23,7 @@ class IncludeTag:
 
     @classmethod
     def to_yaml(cls, dumper, node):
-        return dumper.represent_scalar(cls.yaml_tag, node.target)
+        return dumper.represent_scalar(cls.yaml_tag, node.target, style="'")
 
     @classmethod
     def from_yaml(cls, loader, node):