diff --git a/src/main/java/org/jboss/jandex/JarIndexer.java b/src/main/java/org/jboss/jandex/JarIndexer.java
index f658fbb2..916b43d0 100644
--- a/src/main/java/org/jboss/jandex/JarIndexer.java
+++ b/src/main/java/org/jboss/jandex/JarIndexer.java
@@ -68,6 +68,24 @@ public static Result createJarIndex(File jarFile, Indexer indexer, boolean modif
         return createJarIndex(jarFile, indexer, modify, newJar, verbose, System.out, System.err);
     }
 
+    /**
+     * Indexes a jar file and saves the result. If the modify flag is set, index is saved to META-INF/jandex.idx.
+     * Otherwise an external file is created with a similar name to the original file,
+     * concatenating <code>.idx</code> suffix.
+     *
+     * @param jarFile The file to index
+     * @param indexer The indexer to use
+     * @param outputFile The index file to write to
+     * @param modify If the original jar should be modified
+     * @param newJar If the new jar should be created
+     * @param verbose If we should print what we are doing to standard out
+     * @return indexing result
+     * @throws IOException for any I/o error
+     */
+    public static Result createJarIndex(File jarFile, Indexer indexer, File outputFile, boolean modify, boolean newJar, boolean verbose) throws IOException {
+        return createJarIndex(jarFile, indexer, outputFile, modify, newJar, verbose, System.out, System.err);
+    }
+
     /**
      * Indexes a jar file and saves the result. If the modify flag is set, index is saved to META-INF/jandex.idx.
      * Otherwise an external file is created with a similar name to the original file,
@@ -85,10 +103,30 @@ public static Result createJarIndex(File jarFile, Indexer indexer, boolean modif
      * @throws IOException for any I/o error
      */
     public static Result createJarIndex(File jarFile, Indexer indexer, boolean modify, boolean newJar, boolean verbose, PrintStream infoStream, PrintStream errStream) throws IOException {
+        return createJarIndex(jarFile, indexer, null, modify, newJar, verbose, infoStream, errStream);
+    }
+
+    /**
+     * Indexes a jar file and saves the result. If the modify flag is set, index is saved to META-INF/jandex.idx.
+     * Otherwise an external file is created with a similar name to the original file,
+     * concatenating <code>.idx</code> suffix.
+     *
+     * @param jarFile The file to index
+     * @param indexer The indexer to use
+     * @param outputFile The index file to write to
+     * @param modify If the original jar should be modified
+     * @param newJar If the new jar should be created
+     * @param verbose If we should print what we are doing to the specified info stream
+     * @param infoStream A print stream which will record verbose info, may be null               1
+     * @param errStream A print stream to print errors, must not be null
+     *
+     * @return indexing result
+     * @throws IOException for any I/o error
+     */
+    public static Result createJarIndex(File jarFile, Indexer indexer, File outputFile, boolean modify, boolean newJar, boolean verbose, PrintStream infoStream, PrintStream errStream) throws IOException {
         File tmpCopy = null;
         ZipOutputStream zo = null;
         OutputStream out;
-        File outputFile = null;
 
         JarFile jar = new JarFile(jarFile);
 
@@ -100,7 +138,9 @@ public static Result createJarIndex(File jarFile, Indexer indexer, boolean modif
             outputFile = getIndexFile(jarFile, newJar);
             out = zo = new ZipOutputStream(new FileOutputStream(outputFile));
         } else {
-            outputFile = getIndexFile(jarFile, newJar);
+            if (outputFile == null) {
+                outputFile = getIndexFile(jarFile, newJar);
+            }
             out = new FileOutputStream(outputFile);
         }
 
diff --git a/src/main/java/org/jboss/jandex/Main.java b/src/main/java/org/jboss/jandex/Main.java
index 3f3f472b..aa6702c7 100644
--- a/src/main/java/org/jboss/jandex/Main.java
+++ b/src/main/java/org/jboss/jandex/Main.java
@@ -84,7 +84,8 @@ private void execute(String[] args) {
 
     private Index getIndex(long start) throws IOException {
         Indexer indexer = new Indexer();
-        Result result = (source.isDirectory()) ? indexDirectory(source, indexer) : JarIndexer.createJarIndex(source, indexer, modify, jarFile, verbose);
+        Result result = (source.isDirectory()) ? indexDirectory(source, indexer) : JarIndexer.createJarIndex(source, indexer, outputFile, modify, jarFile, verbose);
+
         double time = (System.currentTimeMillis() - start) / 1000.00;
         System.out.printf("Wrote %s in %.4f seconds (%d classes, %d annotations, %d instances, %d bytes)\n", result.getName(), time, result.getClasses(), result.getAnnotations(), result.getInstances(), result.getBytes());
         return result.getIndex();
@@ -222,11 +223,11 @@ private void parseOptions(String[] args) {
                     break;
                 case 'o':
                     if (i >= args.length)
-                        throw new IllegalArgumentException("-o reuires an output file name");
+                        throw new IllegalArgumentException("-o requires an output file name");
 
                     String name = args[++i];
                     if (name.length() < 1)
-                        throw new IllegalArgumentException("-o reuires an output file name");
+                        throw new IllegalArgumentException("-o requires an output file name");
 
                     outputFile = new File(name);
                     optionCount++;