diff --git a/algebra/group_constructions.hlean b/algebra/group_constructions.hlean
index 9d7511a..a65d1f0 100644
--- a/algebra/group_constructions.hlean
+++ b/algebra/group_constructions.hlean
@@ -6,7 +6,7 @@ Authors: Floris van Doorn, Egbert Rijke
 Constructions with groups
 -/
 
-import algebra.group_theory hit.set_quotient types.list types.sum .group_basics
+import algebra.subgroup hit.set_quotient types.list types.sum .group_basics
 
 open eq algebra is_trunc set_quotient relation sigma sigma.ops prod prod.ops sum list trunc function
      equiv
diff --git a/algebra/group_basics.hlean b/algebra/subgroup.hlean
similarity index 100%
rename from algebra/group_basics.hlean
rename to algebra/subgroup.hlean