diff --git a/src/formatitko/whitespace.py b/src/formatitko/whitespace.py
index 155f5e5..bd77fc2 100644
--- a/src/formatitko/whitespace.py
+++ b/src/formatitko/whitespace.py
@@ -12,8 +12,8 @@ class NBSP(Space):
 # This function tries to determine if a space should be non-breaking. It is
 # language-aware and tries to be sort-of smart about its decisions.
 def bavlna(e: Whitespace, c: Context) -> bool:
-		
-	if c.get_metadata("language") == "cs":
+	
+	if c.get_metadata("lang") == "cs":
 		# Add no-break space after single letter prepositions and conjunctions.
 		# Also tries to find them inside elements, for instance
 		# `V [odevzdávátku]()` should get correctly detected.