diff --git a/notebook/Dockerfile b/notebook/Dockerfile
index 2fe35482545648347b26baf270c3acb9340413e7..c0e3d3889bce6d921bfaf5c65476b674edaf2a0f 100644
--- a/notebook/Dockerfile
+++ b/notebook/Dockerfile
@@ -205,7 +205,9 @@ COPY 3rdparty/nfft-3.5.0 .
 
 USER root
 RUN chown -R $NB_USER:$NB_GID $PWD
-RUN /bin/bash install.sh
+RUN . $CONDA_DIR/etc/profile.d/conda.sh \
+ && conda activate python2 \ 
+ && /bin/bash install.sh
 USER $NB_USER
 
 # ================================================================================
@@ -217,7 +219,9 @@ COPY 3rdparty/libspimage .
 
 USER root
 RUN chown -R $NB_USER:$NB_GID $PWD
-RUN /bin/bash install.sh
+RUN . $CONDA_DIR/etc/profile.d/conda.sh \
+ && conda activate python2 \
+ && /bin/bash install.sh
 USER $NB_USER
 
 # ================================================================================
@@ -229,7 +233,9 @@ COPY 3rdparty/spsim .
 
 USER root
 RUN chown -R $NB_USER:$NB_GID $PWD
-RUN /bin/bash install.sh
+RUN . $CONDA_DIR/etc/profile.d/conda.sh \
+ && conda activate python2 \ 
+ && /bin/bash install.sh
 USER $NB_USER
 
 # ================================================================================