diff --git a/Dockerfile b/Dockerfile
index b355f7f..c291346 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -12,8 +12,9 @@ RUN apk --no-cache --update add python3 rsync bash perl perl-archive-zip perl-xm
 # Install backuppc build dependencies
  && apk --no-cache --update --virtual build-dependencies add gcc g++ libgcc linux-headers autoconf automake make git patch perl-dev python3-dev expat-dev acl-dev attr-dev popt-dev curl wget \
 # Install circusd (version 0.15.0 since 0.16.x appears to consume 100% of a CPU)
- && python3 -m ensurepip \
- && pip3 install --upgrade pip circus==0.15.0 \
+ && python3 -m venv /srv/venv \
+ && /srv/venv/bin/pip install --upgrade pip wheel \
+ && /srv/venv/bin/pip install --upgrade pip circus==0.15.0 \
 # Compile and install BackupPC:XS
  && git clone https://github.com/backuppc/backuppc-xs.git /root/backuppc-xs --branch $BACKUPPC_XS_VERSION \
  && cd /root/backuppc-xs \
diff --git a/files/run.sh b/files/run.sh
index 9cf930d..845a8e7 100755
--- a/files/run.sh
+++ b/files/run.sh
@@ -5,4 +5,4 @@ mkdir -p /var/circus
 touch /var/circus/endpoint /var/circus/pubsub /var/circus/stats
 
 # Launch circus
-exec /usr/bin/circusd /etc/circus.ini
+exec /srv/venv/bin/circusd /etc/circus.ini