diff --git a/RobotDebug/RobotDebug.py b/RobotDebug/RobotDebug.py
index 330dd85..5b04dc3 100644
--- a/RobotDebug/RobotDebug.py
+++ b/RobotDebug/RobotDebug.py
@@ -44,7 +44,8 @@ def start_keyword(self, name, attrs):
 
         path = attrs["source"]
         if path and Path(path).exists() and path not in self.source_files:
-            self.source_files[path] = Path(path).open().readlines()
+            with open(Path(path)) as f:
+                self.source_files[path] = f.readlines()
         lineno = attrs["lineno"]
         self.library.current_source_path = path
         self.library.current_source_line = lineno
diff --git a/RobotDebug/robotlib.py b/RobotDebug/robotlib.py
index c0f687d..5d8e38b 100644
--- a/RobotDebug/robotlib.py
+++ b/RobotDebug/robotlib.py
@@ -44,7 +44,7 @@ def build(self, resource):
             type="RESOURCE",
             scope="GLOBAL",
         )
-        libdoc.keywords = KeywordDocBuilder().build_keywords(resource)
+        libdoc.keywords = KeywordDocBuilder(resource=True).build_keywords(resource)
         return libdoc