diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 94cd7dd..6d683bc 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -236,6 +236,7 @@ ENV DISPLAY=:1 \
     GOMP_SPINCOUNT=0 \
     HOME=/config \
     START_DOCKER=true \
+    PULSE_RUNTIME_PATH=/defaults \
     NVIDIA_DRIVER_CAPABILITIES=all
 
 # copy over build output