diff -Naur bacula-11.0.0.old/autoconf/configure.in bacula-11.0.0/autoconf/configure.in
--- bacula-11.0.0.old/autoconf/configure.in	2021-01-12 12:54:46.373504805 +0100
+++ bacula-11.0.0/autoconf/configure.in	2021-01-12 12:57:21.990356810 +0100
@@ -3237,20 +3237,11 @@
    ]
 )
 if test x$support_docker = xyes -o x$support_docker = xauto; then
-   AC_CHECK_PROG(docker_bin, docker, yes, no, "/usr/bin/")
-   if test x$docker_bin = xyes; then
-      support_docker=yes
-      FD_PLUGIN_DIR="$FD_PLUGIN_DIR src/plugins/fd/docker"
-      PLUGCONFILES="${PLUGCONFILES} src/plugins/fd/docker/Makefile"
-   else
-      if test x$support_docker = xyes; then
-         echo " "
-         echo "You enabled a Docker Plugin build but 'docker' command not found."
-         echo " "
-         exit 1
-      fi
-      support_docker=no
-   fi
+   support_docker=yes
+   FD_PLUGIN_DIR="$FD_PLUGIN_DIR src/plugins/fd/docker"
+   PLUGCONFILES="${PLUGCONFILES} src/plugins/fd/docker/Makefile"
+else
+   support_docker=no
 fi
 
 AC_SUBST(FD_PLUGIN_DIR)