diff --git a/completions/cppcheck b/completions/cppcheck
index d3c7a422..bcf937bb 100644
--- a/completions/cppcheck
+++ b/completions/cppcheck
@@ -48,6 +48,12 @@ _cppcheck()
                 -- "$cur" ) )
             return
             ;;
+        -rp|--relative-paths)
+            if $split; then # -rp without argument is allowed
+                _filedir -d
+                return
+            fi
+            ;;
         --xml-version)
             COMPREPLY=( $( compgen -W '1 2' -- "$cur" ) )
             return