diff --git a/contrib/topology/load.factor b/contrib/topology/load.factor
index d4d5e5d439..090cd4ddd6 100644
--- a/contrib/topology/load.factor
+++ b/contrib/topology/load.factor
@@ -2,10 +2,10 @@ PROVIDE: topology
 {
     "matrix.factor"
     "linear.factor"
-    "homology.factor"
+    "simplex.factor"
     "hopf.factor"
 } {
     "test/matrix.factor"
-    "test/homology.factor"
+    "test/simplex.factor"
     "test/hopf.factor"
 } ;
diff --git a/contrib/topology/homology.factor b/contrib/topology/simplex.factor
similarity index 99%
rename from contrib/topology/homology.factor
rename to contrib/topology/simplex.factor
index 0737fbd52d..ee145599d9 100644
--- a/contrib/topology/homology.factor
+++ b/contrib/topology/simplex.factor
@@ -1,6 +1,6 @@
 ! Copyright (C) 2006 Slava Pestov.
 ! See http://factorcode.org/license.txt for BSD license.
-IN: homology
+IN: simplex
 USING: arrays hashtables io kernel math matrices namespaces
 prettyprint sequences topology words ;
 
diff --git a/contrib/topology/test/homology.factor b/contrib/topology/test/simplex.factor
similarity index 90%
rename from contrib/topology/test/homology.factor
rename to contrib/topology/test/simplex.factor
index 56e665f268..b75a2a2640 100644
--- a/contrib/topology/test/homology.factor
+++ b/contrib/topology/test/simplex.factor
@@ -1,5 +1,5 @@
 IN: temporary
-USING: homology test ;
+USING: simplex test ;
 
 [ { 1 } ] [ {*} H ] unit-test
 [ { 2 } ] [ S^0 H ] unit-test