diff --git a/all-spark-notebook/Dockerfile b/all-spark-notebook/Dockerfile
index 7990681..afa51d0 100644
--- a/all-spark-notebook/Dockerfile
+++ b/all-spark-notebook/Dockerfile
@@ -18,3 +18,5 @@ RUN conda install boto3 \
     && pip install git+https://github.com/moj-analytical-services/gluejobutils/#egg=gluejobutils \
     && mv /tmp/hdfs-site.xml /usr/local/spark/conf \
     && apt-get update && apt-get install -y $(cat /tmp/apt_packages)
+
+RUN chown -R $NB_UID /opt/conda
diff --git a/datascience-notebook/Dockerfile b/datascience-notebook/Dockerfile
index d882752..3236c87 100644
--- a/datascience-notebook/Dockerfile
+++ b/datascience-notebook/Dockerfile
@@ -12,3 +12,6 @@ COPY ./files/apt_packages /tmp/
 
 RUN conda install boto3 \
     && apt-get update && apt-get install -y $(cat /tmp/apt_packages)
+
+# Fix conda install for NB_UID
+RUN chown -R $NB_UID /opt/conda