diff --git a/Dockerfile b/Dockerfile
index ec879d732..274e23dbf 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -77,7 +77,7 @@ ENV RAG_EMBEDDING_MODEL="$USE_EMBEDDING_MODEL_DOCKER" \
     SENTENCE_TRANSFORMERS_HOME="/app/backend/data/cache/embedding/models"
 
 ## Tiktoken model settings ##
-ENV TIKTOKEN_ENCODING_NAME="$USE_TIKTOKEN_ENCODING_NAME" \
+ENV TIKTOKEN_ENCODING_NAME="cl100k_base" \
     TIKTOKEN_CACHE_DIR="/app/backend/data/cache/tiktoken"
 
 ## Hugging Face download cache ##