diff --git a/transformers/tokenization_distilbert.py b/transformers/tokenization_distilbert.py
index <HASH>..<HASH> 100644
--- a/transformers/tokenization_distilbert.py
+++ b/transformers/tokenization_distilbert.py
@@ -40,6 +40,7 @@ PRETRAINED_VOCAB_FILES_MAP = {
 PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES = {
     'distilbert-base-uncased': 512,
     'distilbert-base-uncased-distilled-squad': 512,
+    'distilbert-base-german-cased': 512,
 }
distilbert: add German distilbert model to positional embedding sizes map