diff --git a/Translations/strings-default.xml b/Translations/strings-default.xml
index e689a2676..2d517abf4 100644
--- a/Translations/strings-default.xml
+++ b/Translations/strings-default.xml
@@ -309,5 +309,6 @@
  <trace-read-desc>Trace the reads for a property;</trace-read-desc>
  <trace-write-desc>Trace the writes for a property;</trace-write-desc>
  <log-level-desc>Specify which logging level to use</log-level-desc>
+ <log-class-desc>Specify which logging class(es) to use</log-class-desc>
 
 </PropertyList>
diff --git a/options.xml b/options.xml
index 293cfd616..c3660bc22 100644
--- a/options.xml
+++ b/options.xml
@@ -1150,6 +1150,12 @@
     <description>strings/log-level-desc</description>
    </option>
 
+   <option>
+    <name>log-class</name>
+    <arg>[ai,environment,flight,general,io,network,sound,terrain,...]</arg>
+    <description>strings/log-class-desc</description>
+   </option>
+
    <option>
     <name>trace-read</name>
     <arg>property</arg>