diff --git a/spacy/lang/uk/lemmatizer.py b/spacy/lang/uk/lemmatizer.py
index cf7591ea8..d40bdf2df 100644
--- a/spacy/lang/uk/lemmatizer.py
+++ b/spacy/lang/uk/lemmatizer.py
@@ -70,7 +70,7 @@ class UkrainianLemmatizer(Lemmatizer):
                 if (
                     feature in morphology
                     and feature in analysis_morph
-                    and morphology[feature] != analysis_morph[feature]
+                    and morphology[feature].lower() != analysis_morph[feature].lower()
                 ):
                     break
             else: