diff --git a/gap/structure.gd b/gap/structure.gd
index 449a09f..eb13bdc 100644
--- a/gap/structure.gd
+++ b/gap/structure.gd
@@ -56,6 +56,7 @@ DeclareAttribute("GeneratorsOfLeftQuasigroup", IsLeftQuasigroup);
 InstallImmediateMethod(GeneratorsOfMagma,
   "finite left quasigroups *-generated by left quasigroup generators",
   IsLeftQuasigroup and IsFinite,
+  1,
   q -> GeneratorsOfLeftQuasigroup(q)
 );
 
@@ -64,6 +65,7 @@ DeclareAttribute("GeneratorsOfRightQuasigroup", IsRightQuasigroup);
 InstallImmediateMethod(GeneratorsOfMagma,
   "finite right quasigroups *-generated by right quasigroup generators",
   IsRightQuasigroup and IsFinite,
+  2,
   q -> GeneratorsOfRightQuasigroup(q)
 );