diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 8e7afa2b8..b104e9add 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,3 +1,14 @@
+# UNRELEASED
+
+## Multiple plugin directories
+
+You can now specify more than one directory to load additional Ohai plugins from by using the `--directory` / `-d` flag more than once.
+
+Example:
+```bash
+ohai -d /path/to/more/plugins -d /another/path/to/more/plugins
+```
+
 # Ohai Release Notes 14.3
 
 ## Detection of Amazon Linux 2.0
diff --git a/lib/ohai/application.rb b/lib/ohai/application.rb
index f64f9e97f..dc16d111c 100644
--- a/lib/ohai/application.rb
+++ b/lib/ohai/application.rb
@@ -34,12 +34,10 @@ class Ohai::Application
   option :directory,
     short: "-d DIRECTORY",
     long: "--directory DIRECTORY",
-    description: "A directory to add to the Ohai plugin search path. If passing multiple directories comma separate directories.",
-    proc: lambda { |paths|
-      paths = paths.split(",")
-      paths.map do |path|
-        Ohai::Config.platform_specific_path(path)
-      end
+    description: "A directory to add to the Ohai plugin search path. If passing multiple directories use this option more than once.",
+    proc: lambda { |path, path_array|
+      (path_array ||= []) << Ohai::Config.platform_specific_path(path)
+      path_array
     }
 
   option :log_level,