diff --git a/spacy/lang/ru/lemmatizer.py b/spacy/lang/ru/lemmatizer.py
index b7a2fc8e4..e4689815e 100644
--- a/spacy/lang/ru/lemmatizer.py
+++ b/spacy/lang/ru/lemmatizer.py
@@ -23,8 +23,6 @@ class RussianLemmatizer(Lemmatizer):
         mode: str = "pymorphy2",
         overwrite: bool = False,
     ) -> None:
-        super().__init__(vocab, model, name, mode=mode, overwrite=overwrite)
-
         try:
             from pymorphy2 import MorphAnalyzer
         except ImportError:
@@ -34,6 +32,7 @@ class RussianLemmatizer(Lemmatizer):
             ) from None
         if RussianLemmatizer._morph is None:
             RussianLemmatizer._morph = MorphAnalyzer()
+        super().__init__(vocab, model, name, mode=mode, overwrite=overwrite)
 
     def pymorphy2_lemmatize(self, token: Token) -> List[str]:
         string = token.text
diff --git a/spacy/lang/uk/lemmatizer.py b/spacy/lang/uk/lemmatizer.py
index 56d9c75c0..0b4435a21 100644
--- a/spacy/lang/uk/lemmatizer.py
+++ b/spacy/lang/uk/lemmatizer.py
@@ -7,6 +7,8 @@ from ...vocab import Vocab
 
 
 class UkrainianLemmatizer(RussianLemmatizer):
+    _morph = None
+
     def __init__(
         self,
         vocab: Vocab,
@@ -16,7 +18,6 @@ class UkrainianLemmatizer(RussianLemmatizer):
         mode: str = "pymorphy2",
         overwrite: bool = False,
     ) -> None:
-        super().__init__(vocab, model, name, mode=mode, overwrite=overwrite)
         try:
             from pymorphy2 import MorphAnalyzer
         except ImportError:
@@ -27,3 +28,4 @@ class UkrainianLemmatizer(RussianLemmatizer):
             ) from None
         if UkrainianLemmatizer._morph is None:
             UkrainianLemmatizer._morph = MorphAnalyzer(lang="uk")
+        super().__init__(vocab, model, name, mode=mode, overwrite=overwrite)