diff --git a/pcbnew/plugins/legacy/legacy_plugin.h b/pcbnew/plugins/legacy/legacy_plugin.h
index ca971eb22b..f936f79058 100644
--- a/pcbnew/plugins/legacy/legacy_plugin.h
+++ b/pcbnew/plugins/legacy/legacy_plugin.h
@@ -76,7 +76,7 @@ public:
 
     PLUGIN_FILE_DESC GetFootprintLibDesc() const override
     {
-        return PLUGIN_FILE_DESC( _HKI( "Legacy footprint library files" ), { "mod" } );
+        return PLUGIN_FILE_DESC( _HKI( "Legacy footprint library files" ), { "mod", "emp" } );
     }
 
     PLUGIN_FILE_DESC GetFootprintFileDesc() const override { return GetFootprintLibDesc(); }