diff --git a/README.md b/README.md
index 6721b78..6396db7 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # pgBackRest Bash Completion
-A script that adds bash completion for pgBackRest (https://pgbackrest.org/).
+A script that adds bash completion for pgBackRest (https://pgbackrest.org).
 
 ## Usage
 
diff --git a/pgbackrest-completion.sh b/pgbackrest-completion.sh
index 3ee2850..fea1be2 100644
--- a/pgbackrest-completion.sh
+++ b/pgbackrest-completion.sh
@@ -185,6 +185,11 @@ _pgbackrest() {
                                     COMPREPLY=($(compgen -W "$(__pgbackrest_command_options_values)" -- ${cur}))
                                     return 0;;
                             esac;;
+                        --repo-storage-upload-chunk-size)
+                            # Nothing to do. 
+                            # The documentation provides default values for different repo types.
+                            # But there are no definite values for the parameter.
+                            return 1;;
                         *)
                             if [[ ${prev} =~ ${arg_regex} ]]; then
                                 COMPREPLY=($(compgen -W "$(__pgbackrest_command_options_values)" -- ${cur}))
@@ -236,6 +241,8 @@ _pgbackrest() {
                                     COMPREPLY=($(compgen -W "$(__pgbackrest_command_options_values)" -- ${cur}))
                                     return 0;;
                             esac;;
+                        --repo-storage-upload-chunk-size)
+                            return 1;;
                         *)
                             if [[ ${prev} =~ ${arg_regex} ]]; then
                                 COMPREPLY=($(compgen -W "$(__pgbackrest_command_options_values)" -- ${cur}))