diff --git a/ConfuserEx/ComponentDiscovery.cs b/ConfuserEx/ComponentDiscovery.cs
index 6df97f110..4830e345f 100644
--- a/ConfuserEx/ComponentDiscovery.cs
+++ b/ConfuserEx/ComponentDiscovery.cs
@@ -54,10 +54,18 @@ public string PluginPath {
 			}
 
 			public void AddProtection(Info info) {
+				foreach (var comp in protections) {
+					if (comp.Id == info.id)
+						return;
+				}
 				protections.Add(new InfoComponent(info));
 			}
 
 			public void AddPacker(Info info) {
+				foreach (var comp in packers) {
+					if (comp.Id == info.id)
+						return;
+				}
 				packers.Add(new InfoComponent(info));
 			}