diff --git a/packaging/docker/bin/entrypoint.sh b/packaging/docker/bin/entrypoint.sh
index a346c7be9..ed4228b66 100755
--- a/packaging/docker/bin/entrypoint.sh
+++ b/packaging/docker/bin/entrypoint.sh
@@ -23,7 +23,7 @@ if [ -f ${HASSIO_OPTIONSFILE} ]; then
         fi
     fi
 else
-    if [ "$1" == '"evcc"' ] || expr "$1" : '-*' > /dev/null; then
+    if [ "$1" = '"evcc"' ] || expr "$1" : '-*' > /dev/null; then
         exec evcc "$@"
     else
         exec "$@"