diff --git a/Dockerfile b/Dockerfile
index f76350e..0cf0cca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -13,7 +13,6 @@ ADD         start-znc /usr/local/bin/
 ADD         znc.conf.default /src/
 RUN         chmod 644 /src/znc.conf.default
 
-USER        znc
 EXPOSE      6667
 ENTRYPOINT  ["/usr/local/bin/start-znc"]
 CMD         [""]
diff --git a/bootstrap.sh b/bootstrap.sh
index dea3615..9c95b88 100644
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -6,8 +6,13 @@ set -e
 ZNC_VERSION="1.4"
 
 
-# Install build dependencies.
+# Ensure package list is up to date.
 apt-get update
+
+# Install runtime dependencies.
+apt-get install -y sudo
+
+# Install build dependencies.
 apt-get install -y wget build-essential libssl-dev libperl-dev pkg-config
 
 
diff --git a/start-znc b/start-znc
index 45f0fff..b35a6bd 100755
--- a/start-znc
+++ b/start-znc
@@ -27,5 +27,9 @@ if [ ! -f "${DATADIR}/configs/znc.conf" ]; then
   cp /src/znc.conf.default "${DATADIR}/configs/znc.conf"
 fi
 
+# Make sure $DATADIR is owned by znc user. This effects ownership of the
+# mounted directory on the host machine too.
+chown -R znc:znc "$DATADIR"
+
 # Start ZNC.
-exec znc --foreground --datadir="$DATADIR" $@
+exec sudo -u znc znc --foreground --datadir="$DATADIR" $@