diff --git a/gns3server/compute/docker/docker_vm.py b/gns3server/compute/docker/docker_vm.py
index ed5e0009..68d9c20f 100644
--- a/gns3server/compute/docker/docker_vm.py
+++ b/gns3server/compute/docker/docker_vm.py
@@ -311,6 +311,7 @@ class DockerVM(BaseNode):
             "Tty": True,
             "OpenStdin": True,
             "StdinOnce": False,
+            "User": "root",
             "HostConfig": {
                 "CapAdd": ["ALL"],
                 "Privileged": True,
@@ -342,6 +343,9 @@ class DockerVM(BaseNode):
         # Give the information to the container the list of volume path mounted
         params["Env"].append("GNS3_VOLUMES={}".format(":".join(self._volumes)))
 
+        # Pass user configured for image to init script
+        params["Env"].append("GNS3_USER={}".format(image_infos.get("Config", {"User": ""})["User"]))
+
         variables = self.project.variables
         if not variables:
             variables = []
diff --git a/gns3server/compute/docker/resources/init.sh b/gns3server/compute/docker/resources/init.sh
index 54bbeefc..bc33ea1c 100755
--- a/gns3server/compute/docker/resources/init.sh
+++ b/gns3server/compute/docker/resources/init.sh
@@ -87,6 +87,9 @@ done
 ifup -a -f
 
 # continue normal docker startup
-PATH="$OLD_PATH"
-exec "$@"
-
+GNS3_CMD="PATH=$OLD_PATH exec"
+while test "$#" -gt 0 ; do
+    GNS3_CMD="${GNS3_CMD} \"${1//\"/\\\"}\""
+    shift
+done
+exec su ${GNS3_USER-root} -p -c "$GNS3_CMD"