diff --git a/ArchiSteamFarm/TrimmerRoots.xml b/ArchiSteamFarm/TrimmerRoots.xml
index 36c2664c5..7bb92e60c 100644
--- a/ArchiSteamFarm/TrimmerRoots.xml
+++ b/ArchiSteamFarm/TrimmerRoots.xml
@@ -1,8 +1,9 @@
 <linker>
-	<!-- This is actually needed for ASF GlobalConfig loading, not plugins -->
+	<!-- This is actually needed for ASF (JSON deserialization), not plugins -->
 	<assembly fullname="System.Collections.Immutable">
 		<type fullname="System.Collections.Immutable.ImmutableDictionary" />
 		<type fullname="System.Collections.Immutable.ImmutableHashSet" />
+		<type fullname="System.Collections.Immutable.ImmutableList" />
 	</assembly>
 
 	<!-- This is needed for basic plugins usage, the attribute is trimmed otherwise -->