diff --git a/deployment/Dockerfile.prediction.lambda b/deployment/Dockerfile.prediction.lambda
index ca21a8e..6d226dc 100644
--- a/deployment/Dockerfile.prediction.lambda
+++ b/deployment/Dockerfile.prediction.lambda
@@ -3,7 +3,7 @@ FROM public.ecr.aws/lambda/python:3.12
 # Set the working directory
 WORKDIR ${LAMBDA_TASK_ROOT}
 ENV PYTHONPATH="${PYTHONPATH}:${LAMBDA_TASK_ROOT}"
-ENV MPLCONFIGDIR="${LAMBDA_TASK_ROOT}/tmp/matplotlib"
+ENV MPLCONFIGDIR="/tmp/matplotlib"
 
 # Environment variables
 ARG RUNTIME_ENVIRONMENT