diff --git a/groups/higman.jl b/groups/higman.jl
index 74b0af2..99ab5a0 100644
--- a/groups/higman.jl
+++ b/groups/higman.jl
@@ -11,14 +11,14 @@ function group(G::HigmanGroup)
    a,b,c,d = gens(higman_group)
 
    relations = [
-   b^-1*Comm(b,a),
-   c^-1*Comm(c,b),
-   d^-1*Comm(d,c),
-   a^-1*Comm(a,d)
+   b*Comm(b,a),
+   c*Comm(c,b),
+   d*Comm(d,c),
+   a*Comm(a,d)
    ];
 
    relations = [relations; [inv(rel) for rel in relations]]
 
-   Groups.add_rels!(higman_group, Dict(rel => HigmanGr() for rel in relations))
+   Groups.add_rels!(higman_group, Dict(rel => higman_group() for rel in relations))
    return higman_group
 end
diff --git a/groups/mappingclassgroup.jl b/groups/mappingclassgroup.jl
index 500dceb..65971d2 100644
--- a/groups/mappingclassgroup.jl
+++ b/groups/mappingclassgroup.jl
@@ -3,12 +3,12 @@ struct MappingClassGroup <: GAPGroup
 end
 
 function name(G::MappingClassGroup)
-    N = G.args["N"]
+    N = G.args["MCG"]
     return "MCG($(N))"
 end
 
 function group(G::MappingClassGroup)
-    N = G.args["N"]
+    N = G.args["MCG"]
     if N < 2
         throw("Genus must be at least 2!")
     elseif N == 2
diff --git a/main.jl b/main.jl
index 2e8bbc5..b7ffc8d 100644
--- a/main.jl
+++ b/main.jl
@@ -106,7 +106,7 @@ function main(Gr::GAPGroup)
 
     radius, tol, iterations, upper_bound, warm = params(Gr)
 
-    groupdir = groupname(Gr)
+    groupdir = "$(PropertyTGroups.name(Gr))_r$radius"
     isdir(groupdir) || mkdir(groupdir)
     logger = PropertyT.setup_logging(joinpath(groupdir, "$(upper_bound)"), :fulllog)