diff --git a/test/constraint/equal_angle/normal.png b/test/constraint/equal_angle/normal.png
index 3f81a95..aecf315 100644
Binary files a/test/constraint/equal_angle/normal.png and b/test/constraint/equal_angle/normal.png differ
diff --git a/test/constraint/equal_angle/normal.slvs b/test/constraint/equal_angle/normal.slvs
index b1d538f..60e7b92 100644
Binary files a/test/constraint/equal_angle/normal.slvs and b/test/constraint/equal_angle/normal.slvs differ
diff --git a/test/constraint/equal_angle/normal_old_version.slvs b/test/constraint/equal_angle/normal_old_version.slvs
new file mode 100644
index 0000000..b1d538f
Binary files /dev/null and b/test/constraint/equal_angle/normal_old_version.slvs differ
diff --git a/test/constraint/equal_angle/test.cpp b/test/constraint/equal_angle/test.cpp
index f1e5fce..e96c709 100644
--- a/test/constraint/equal_angle/test.cpp
+++ b/test/constraint/equal_angle/test.cpp
@@ -8,12 +8,12 @@ TEST_CASE(normal_roundtrip) {
 
 TEST_CASE(normal_migrate_from_v20) {
     CHECK_LOAD("normal_v20.slvs");
-    CHECK_SAVE("normal.slvs");
+    CHECK_SAVE("normal_old_version.slvs");
 }
 
 TEST_CASE(normal_migrate_from_v22) {
     CHECK_LOAD("normal_v22.slvs");
-    CHECK_SAVE("normal.slvs");
+    CHECK_SAVE("normal_old_version.slvs");
 }
 
 TEST_CASE(other_roundtrip) {