diff --git a/share/completions/coredumpctl.fish b/share/completions/coredumpctl.fish
index d7de6bde7..e7af782b3 100644
--- a/share/completions/coredumpctl.fish
+++ b/share/completions/coredumpctl.fish
@@ -10,12 +10,15 @@ complete -c coredumpctl -s h -l help -d 'Show this help'
 complete -c coredumpctl -l version -d 'Print version string'
 complete -c coredumpctl -l no-pager -d 'Do not pipe output into a pager'
 complete -c coredumpctl -l no-legend -d 'Do not print the column headers'
-complete -c coredumpctl -l debugger -r -d 'Use the given DEBUGGER'
+complete -c coredumpctl -l json -xa 'pretty short off' -d 'JSON output format'
+complete -c coredumpctl -l debugger -x -d 'Use the given DEBUGGER'
+complete -c coredumpctl -s A -l debugger-arguments -x -d 'Pass the given arguments to the debugger'
+complete -c coredumpctl -s n -x -d 'Show maximum number of rows'
 complete -c coredumpctl -s 1 -d 'Show information about most recent entry only'
-complete -c coredumpctl -s S -l since -r -d 'Only print coredumps since the DATE'
-complete -c coredumpctl -s U -l until -r -d 'Only print coredumps until the DATE'
+complete -c coredumpctl -s S -l since -x -d 'Only print coredumps since the DATE'
+complete -c coredumpctl -s U -l until -x -d 'Only print coredumps until the DATE'
 complete -c coredumpctl -s r -l reverse -d 'Show the newest entries first'
-complete -c coredumpctl -s F -l field -r -d 'List all values a certain FIELD takes'
+complete -c coredumpctl -s F -l field -x -d 'List all values a certain FIELD takes'
 complete -c coredumpctl -s o -l output -r -d 'Write output to FILE'
 complete -c coredumpctl -l file -r -d 'Use journal FILE'
 complete -c coredumpctl -s D -l directory -r -d 'Use journal files from DIRECTORY'