diff --git a/toolbox b/toolbox
index 232b6f7..6932af5 100755
--- a/toolbox
+++ b/toolbox
@@ -248,7 +248,36 @@ copy_etc_profile_d_toolbox_to_container()
 (
     container="$1"
 
-    pause_false=""
+    profile_d_lock="$toolbox_runtime_directory"/profile.d-toolbox.lock
+
+    # shellcheck disable=SC2174
+    if ! mkdir --mode 700 --parents "$toolbox_runtime_directory" 2>&3; then
+        echo "$base_toolbox_command: unable to copy /etc/profile.d/toolbox.sh: runtime directory not created" >&2
+        return 1
+    fi
+
+    exec 5>"$profile_d_lock"
+    if ! flock 5 2>&3; then
+        echo "$base_toolbox_command: unable to copy /etc/profile.d/toolbox.sh: copy lock not acquired" >&2
+        return 1
+    fi
+
+    echo "$base_toolbox_command: copying /etc/profile.d/toolbox.sh to container $container" >&3
+
+    if ! $prefix_sudo podman exec \
+                 --user root:root \
+                 "$container" \
+                 sh -c "cp $toolbox_runtime_directory/toolbox.sh /etc/profile.d" sh 2>&3; then
+        echo "$base_toolbox_command: unable to copy /etc/profile.d/toolbox.sh to container $container" >&2
+        return 1
+    fi
+
+    return 0
+)
+
+
+copy_etc_profile_d_toolbox_to_runtime_directory()
+(
     profile_d_lock="$toolbox_runtime_directory"/profile.d-toolbox.lock
 
     if ! [ -f /etc/profile.d/toolbox.sh ] 2>&3; then
@@ -267,39 +296,10 @@ copy_etc_profile_d_toolbox_to_container()
         return 1
     fi
 
-    echo "$base_toolbox_command: looking for /etc/profile.d/toolbox.sh in container $container" >&3
+    echo "$base_toolbox_command: copying /etc/profile.d/toolbox.sh to $toolbox_runtime_directory" >&3
 
-    if $prefix_sudo podman exec \
-               --user "$USER" \
-               "$container" \
-               sh -c 'mount | grep /etc/profile.d/toolbox.sh >/dev/null 2>/dev/null' 2>&3; then
-        echo "$base_toolbox_command: /etc/profile.d/toolbox.sh already mounted in container $container" >&3
-        return 0
-    fi
-
-    echo "$base_toolbox_command: checking if 'podman cp' supports --pause" >&3
-
-    if $prefix_sudo podman cp --help 2>&3 | grep "pause" >/dev/null 2>&3; then
-        echo "$base_toolbox_command: 'podman cp' supports --pause" >&3
-        pause_false="--pause=false"
-    fi
-
-    echo "$base_toolbox_command: copying /etc/profile.d/toolbox.sh to container $container" >&3
-
-    # shellcheck disable=SC2086
-    if ! $prefix_sudo podman cp \
-                 $pause_false \
-                 /etc/profile.d/toolbox.sh \
-                 "$container":/etc/profile.d 2>&3; then
-        echo "$base_toolbox_command: unable to copy /etc/profile.d/toolbox.sh to container $container" >&2
-        return 1
-    fi
-
-    if ! $prefix_sudo podman exec \
-                 --user root:root \
-                 "$container" \
-                 chown root:root /etc/profile.d/toolbox.sh 2>&3; then
-        echo "$base_toolbox_command: unable to chown /etc/profile.d/toolbox.sh in container $container" >&2
+    if ! cp /etc/profile.d/toolbox.sh "$toolbox_runtime_directory" 2>&3; then
+        echo "$base_toolbox_command: unable to copy /etc/profile.d/toolbox.sh to $toolbox_runtime_directory" >&2
         return 1
     fi
 
@@ -530,6 +530,17 @@ images_get_details()
 )
 
 
+is_etc_profile_d_toolbox_a_bind_mount()
+{
+    container="$1"
+
+    $prefix_sudo podman inspect --format "[{{range .Mounts}}{{.Dst}} {{end}}]" --type container "$container" 2>&3 \
+    | grep /etc/profile.d/toolbox.sh >/dev/null 2>/dev/null 2>&3
+
+    return "$?"
+}
+
+
 list_container_names()
 (
     if ! containers_old=$($prefix_sudo podman ps \
@@ -1070,13 +1081,28 @@ run()
 
     echo "$base_toolbox_command: trying to start container $toolbox_container" >&3
 
-    if ! $prefix_sudo podman start "$toolbox_container" >/dev/null 2>&3; then
-        echo "$base_toolbox_command: failed to start container $toolbox_container" >&2
-        exit 1
-    fi
+    if is_etc_profile_d_toolbox_a_bind_mount "$toolbox_container"; then
+        echo "$base_toolbox_command: /etc/profile.d/toolbox.sh already mounted in container $toolbox_container" >&3
 
-    if ! copy_etc_profile_d_toolbox_to_container "$toolbox_container"; then
-        exit 1
+        if ! $prefix_sudo podman start "$toolbox_container" >/dev/null 2>&3; then
+            echo "$base_toolbox_command: failed to start container $toolbox_container" >&2
+            exit 1
+        fi
+    else
+        echo "$base_toolbox_command: /etc/profile.d/toolbox.sh not mounted in container $toolbox_container" >&3
+
+        if ! copy_etc_profile_d_toolbox_to_runtime_directory; then
+            exit 1
+        fi
+
+        if ! $prefix_sudo podman start "$toolbox_container" >/dev/null 2>&3; then
+            echo "$base_toolbox_command: failed to start container $toolbox_container" >&2
+            exit 1
+        fi
+
+        if ! copy_etc_profile_d_toolbox_to_container "$toolbox_container"; then
+            exit 1
+        fi
     fi
 
     if ! $prefix_sudo podman exec --user root:root "$toolbox_container" touch /run/.toolboxenv 2>&3; then