diff --git a/Docker-dev-build b/Docker-dev-build
index ffd300c..c2c963e 100644
--- a/Docker-dev-build
+++ b/Docker-dev-build
@@ -36,6 +36,7 @@ RUN apt-get install -y --no-install-recommends \
               python \
               unzip \
               vim \
+              wget \
            && rm -rf /var/lib/apt/lists/*
 
 # load spack environment on login
@@ -69,6 +70,7 @@ RUN . $SPACK_ROOT/share/spack/setup-env.sh && \
       spack env activate octopus-serial && \
       # make a dev-build direcotry for the serial version:
       mkdir ~/dev-build-serial && cd ~/dev-build-serial && \
+      
       wget https://octopus-code.org/down.php?file=12.1/octopus-12.1.tar.gz -O octopus-12.1.tar.gz &&\
       tar --strip-components=1 -xf octopus-12.1.tar.gz -C ./&& \
       # install the serial version of octopus:
@@ -85,7 +87,7 @@ RUN . $SPACK_ROOT/share/spack/setup-env.sh && \
       # Run make checks
       cd ~/dev-build-serial ; \
       make check-short || /bin/true ; \
-      make check || /bin/true ; \
+      make check-long || /bin/true ; \
       # deactivate the environment.
       spack env deactivate
 
@@ -112,7 +114,7 @@ RUN . $SPACK_ROOT/share/spack/setup-env.sh && \
       # Run make checks
       cd ~/dev-build-parallel ; \
       make check-short || /bin/true ; \
-      make check || /bin/true ; \
+      make check-long || /bin/true ; \
       # deactivate the environment.
       spack env deactivate