diff --git a/metafix-runner/build.gradle b/metafix-runner/build.gradle
index fda18d7b..47584e6e 100644
--- a/metafix-runner/build.gradle
+++ b/metafix-runner/build.gradle
@@ -5,8 +5,10 @@ plugins {
 dependencies {
   implementation project(':metafix')
 
+  implementation "org.metafacture:metafacture-biblio:${versions.metafacture}"
   implementation "org.metafacture:metafacture-json:${versions.metafacture}"
   implementation "org.metafacture:metafacture-runner:${versions.metafacture}"
+  implementation "org.metafacture:metafacture-xml:${versions.metafacture}"
 }
 
 application {
diff --git a/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/expected.json b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/expected.json
new file mode 100644
index 00000000..3b010d5f
--- /dev/null
+++ b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/expected.json
@@ -0,0 +1,8 @@
+{
+  "RSWK" : [ {
+    "subjectTopicName" : "Nonprofit organizations"
+  }, {
+    "subjectTopicName" : "Nonprofit organizations",
+    "subjectGenre" : "Case studies"
+  } ]
+}
diff --git a/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/input.xml b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/input.xml
new file mode 100644
index 00000000..78fd0b83
--- /dev/null
+++ b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/input.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<collection xmlns="http://www.loc.gov/MARC21/slim">
+    <record>
+        <datafield tag="650" ind1=" " ind2=" ">
+            <subfield code="a">Nonprofit organizations</subfield>
+            <subfield code="x">Management.</subfield>
+        </datafield>
+        <datafield tag="650" ind1=" " ind2=" ">
+            <subfield code="a">Nonprofit organizations</subfield>
+            <subfield code="x">Management</subfield>
+            <subfield code="v">Case studies.</subfield>
+        </datafield>
+    </record>
+</collection>
diff --git a/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/test.fix b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/test.fix
new file mode 100644
index 00000000..51782a33
--- /dev/null
+++ b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/test.fix
@@ -0,0 +1,7 @@
+set_array("RSWK[]")
+do list(path: "650??", "var": "$i")
+  copy_field("$i.a", "RSWK[].$append.subjectTopicName")
+  copy_field("$i.v", "RSWK[].$last.subjectGenre")
+end
+replace_all("RSWK[].*.subjectGenre", "[.]$", "")
+retain("RSWK[]")
diff --git a/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/test.flux b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/test.flux
new file mode 100644
index 00000000..1d8c3df8
--- /dev/null
+++ b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/test.flux
@@ -0,0 +1,8 @@
+FLUX_DIR + "input.xml"
+|open-file
+|decode-xml
+|handle-marcxml
+|fix(FLUX_DIR + "test.fix")
+|encode-json(prettyPrinting="true")
+|write(FLUX_DIR + "output-metafix.json")
+;
diff --git a/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/todo.txt b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/todo.txt
new file mode 100644
index 00000000..753a771e
--- /dev/null
+++ b/metafix/src/test/resources/org/metafacture/metafix/integration/method/fromXml/toJson/replace_allInOptionalSubfieldOfRepeatedObjectsWithAsterisk/todo.txt
@@ -0,0 +1 @@
+See PR #170