diff --git a/Dockerfile b/Dockerfile
index 3a723f00..f1ea73a4 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -103,10 +103,6 @@ RUN set -eux; \
     adduser $USERNAME video; \
     adduser $USERNAME pulse; \
     #
-    # setup pulseaudio
-    mkdir -p /home/$USERNAME/.config/pulse/; \
-    echo "default-server=unix:/tmp/pulseaudio.socket" > /home/$USERNAME/.config/pulse/client.conf; \
-    #
     # workaround for an X11 problem: http://blog.tigerteufel.de/?p=476
     mkdir /tmp/.X11-unix; \
     chmod 1777 /tmp/.X11-unix; \
@@ -154,6 +150,7 @@ COPY runtime/fonts /usr/local/share/fonts
 # set default envs
 ENV USER=$USERNAME
 ENV DISPLAY=:99.0
+ENV PULSE_SERVER=unix:/tmp/pulseaudio.socket
 ENV NEKO_SERVER_BIND=:8080
 ENV NEKO_PLUGINS_ENABLED=true
 ENV NEKO_PLUGINS_DIR=/etc/neko/plugins/
diff --git a/Dockerfile.nvidia b/Dockerfile.nvidia
index 22daae35..df8396c2 100644
--- a/Dockerfile.nvidia
+++ b/Dockerfile.nvidia
@@ -119,10 +119,6 @@ RUN set -eux; \
     adduser $USERNAME video; \
     adduser $USERNAME pulse; \
     #
-    # setup pulseaudio
-    mkdir -p /home/$USERNAME/.config/pulse/; \
-    echo "default-server=unix:/tmp/pulseaudio.socket" > /home/$USERNAME/.config/pulse/client.conf; \
-    #
     # workaround for an X11 problem: http://blog.tigerteufel.de/?p=476
     mkdir /tmp/.X11-unix; \
     chmod 1777 /tmp/.X11-unix; \
@@ -199,6 +195,7 @@ COPY runtime/fonts /usr/local/share/fonts
 # set default envs
 ENV USER=$USERNAME
 ENV DISPLAY=:99.0
+ENV PULSE_SERVER=unix:/tmp/pulseaudio.socket
 ENV NEKO_SERVER_BIND=:8080
 ENV NEKO_PLUGINS_ENABLED=true
 ENV NEKO_PLUGINS_DIR=/etc/neko/plugins/