diff --git a/app/src/main/java/com/httrack/android/OptionsMapper.java b/app/src/main/java/com/httrack/android/OptionsMapper.java
index 8abc1392..ceb67d03 100755
--- a/app/src/main/java/com/httrack/android/OptionsMapper.java
+++ b/app/src/main/java/com/httrack/android/OptionsMapper.java
@@ -88,7 +88,7 @@ public class OptionsMapper {
       new Pair<Integer, String>(R.id.editRetries, "Retry"),
       new Pair<Integer, String>(R.id.editMinTransferRate, "RateOut"),
       new Pair<Integer, String>(R.id.checkRemoveHostIfSlow, "RemoveRateout"),
-      new Pair<Integer, String>(R.id.editPause, "Pause"),
+      new Pair<Integer, String>(R.id.editPause, "PauseFiles"),
 
       /* Links */
       new Pair<Integer, String>(R.id.checkDetectAllLinks, "ParseAll"),
@@ -348,7 +348,7 @@ public class OptionsMapper {
       new Pair<String, OptionMapper>("Proxy", proxyHandler.getAddressMapper()),
       new Pair<String, OptionMapper>("Port", proxyHandler.getPortMapper()),
       new Pair<String, OptionMapper>("CookiesFile", new ArgumentOption("-%K")),
-      new Pair<String, OptionMapper>("Pause", new ArgumentOption("-%G")),
+      new Pair<String, OptionMapper>("PauseFiles", new ArgumentOption("-%G")),
       new Pair<String, OptionMapper>("StripQuery", new ArgumentOption("-%g")),
       new Pair<String, OptionMapper>("HostAlias", new RuleListOption(
           "--host-alias")),
@@ -420,7 +420,7 @@ public static class ProfileFormat {
     // Spellings earlier builds wrote; accepted on read, never written back.
     private static final String LEGACY_NAMES[][] = {
         { "ProxyProtocol", "ProxyType" }, { "KeepWwwPrefix", "KeepWww" },
-        { "KeepDoubleSlashes", "KeepSlashes" } };
+        { "KeepDoubleSlashes", "KeepSlashes" }, { "Pause", "PauseFiles" } };
 
     // WinHTTrack packs both name-mangling boxes in Dos; Iso9660 is ours alone.
     static final String DOS_KEY = "Dos";
diff --git a/app/src/test/java/com/httrack/android/WinProfileParityTest.java b/app/src/test/java/com/httrack/android/WinProfileParityTest.java
index fc2ddd3b..1de53b4d 100644
--- a/app/src/test/java/com/httrack/android/WinProfileParityTest.java
+++ b/app/src/test/java/com/httrack/android/WinProfileParityTest.java
@@ -16,6 +16,7 @@
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.TreeSet;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 import org.junit.Test;
@@ -89,11 +90,12 @@ public void winHttrackProfileOpensWithBothBoxes() {
   public void olderProfileKeepsEveryRenamedSetting() {
     final Map<String, String> values = ProfileFormat.resolve(file("Dos", "1",
         "Iso9660", "1", "ProxyProtocol", "1", "KeepWwwPrefix", "1",
-        "KeepDoubleSlashes", "1"));
+        "KeepDoubleSlashes", "1", "Pause", "2:5"));
     assertArrayEquals(new String[] { "1", "1" }, boxes(values));
     assertEquals("1", values.get("ProxyType"));
     assertEquals("1", values.get("KeepWww"));
     assertEquals("1", values.get("KeepSlashes"));
+    assertEquals("2:5", values.get("PauseFiles"));
     assertFalse(values.containsKey("ProxyProtocol"));
   }
 
@@ -159,6 +161,8 @@ public void renamedKeysMapBothWays() {
     assertEquals("KeepWww", ProfileFormat.canonicalName("KeepWwwPrefix"));
     assertEquals("KeepSlashes",
         ProfileFormat.canonicalName("KeepDoubleSlashes"));
+    assertEquals("PauseFiles", ProfileFormat.canonicalName("Pause"));
+    assertEquals("Pause", ProfileFormat.legacyName("PauseFiles"));
     assertEquals("Near", ProfileFormat.canonicalName("Near"));
     assertNull(ProfileFormat.legacyName("Near"));
   }
@@ -168,25 +172,55 @@ private static String mapperTable() throws IOException {
     return TestSources.javaSource("OptionsMapper");
   }
 
-  private static List<String> serializerKeys() throws IOException {
-    final Matcher m = Pattern.compile(
-        "new Pair<Integer, String>\\(R\\.id\\.\\w+,\\s*\"([^\"]+)\"\\)")
-        .matcher(mapperTable());
+  private static int occurrences(final String source, final String text) {
+    int count = 0;
+    for (int at = source.indexOf(text); at != -1; at = source.indexOf(text,
+        at + 1)) {
+      count++;
+    }
+    return count;
+  }
+
+  /* Counting the declarations separately keeps a regex that quietly stops
+     matching from passing every key test on a short list. */
+  private static List<String> keysOf(final String declaration,
+      final String pattern) throws IOException {
+    final String source = mapperTable();
+    final Matcher m = Pattern.compile(pattern).matcher(source);
     final List<String> keys = new ArrayList<String>();
     while (m.find()) {
       keys.add(m.group(1));
     }
-    assertEquals("serializer keys parsed", 94, keys.size());
+    assertEquals(declaration + " entries parsed",
+        occurrences(source, declaration), keys.size());
     return keys;
   }
 
+  private static List<String> serializerKeys() throws IOException {
+    return keysOf("new Pair<Integer, String>(R.id.",
+        "new Pair<Integer, String>\\(R\\.id\\.\\w+,\\s*\"([^\"]+)\"\\)");
+  }
+
+  private static List<String> mapperKeys() throws IOException {
+    return keysOf("new Pair<String, OptionMapper>(",
+        "new Pair<String, OptionMapper>\\(\"([^\"]+)\"");
+  }
+
+  /* The two tables are halves of one wiring: a key stored with no mapper never
+     reaches the engine, and a mapper under no stored key never runs. */
+  @Test
+  public void everyStoredKeyHasAMapper() throws IOException {
+    assertEquals(new TreeSet<String>(serializerKeys()),
+        new TreeSet<String>(mapperKeys()));
+  }
+
   @Test
   public void keysUseTheWinHttrackSpelling() throws IOException {
     final List<String> keys = serializerKeys();
     assertTrue(keys.containsAll(Arrays.asList("ProxyType", "KeepWww",
-        "KeepSlashes")));
+        "KeepSlashes", "PauseFiles")));
     for (final String legacy : new String[] { "ProxyProtocol",
-        "KeepWwwPrefix", "KeepDoubleSlashes" }) {
+        "KeepWwwPrefix", "KeepDoubleSlashes", "Pause" }) {
       assertFalse(legacy + " still written", keys.contains(legacy));
     }
   }
@@ -203,7 +237,7 @@ public void everyRenameTargetIsAStoredKey() throws IOException {
       }
     }
     for (final String legacy : new String[] { "ProxyProtocol",
-        "KeepWwwPrefix", "KeepDoubleSlashes" }) {
+        "KeepWwwPrefix", "KeepDoubleSlashes", "Pause" }) {
       assertTrue(legacy + " resolves to no stored key",
           keys.contains(ProfileFormat.canonicalName(legacy)));
     }