diff --git a/distribusi/cli.py b/distribusi/cli.py
index 4bc0305..0d45ebf 100644
--- a/distribusi/cli.py
+++ b/distribusi/cli.py
@@ -64,8 +64,13 @@ def build_argparser():
         '--exclude-directory',
         help="Exclude one or multiple directories from indexing",
         nargs="*",
-        metavar='DIR'
-        )
+        metavar='DIR')
+
+    parser.add_argument(
+        '-f',
+        '--force',
+        help="Force whether distribusi overwrites or removes instances of index.html not generated by distribusi, use at own risk!",
+        action="store_true")
 
     return parser
 
diff --git a/distribusi/distribusi.py b/distribusi/distribusi.py
index 5292f1a..024c1a4 100644
--- a/distribusi/distribusi.py
+++ b/distribusi/distribusi.py
@@ -69,14 +69,37 @@ def div(args, type_, subtype, tag, name):
 
 
 def check_distribusi_index(args, index):
+    """
+    check whether a index.html file is generated by distribusi
+    """
+
+    if not args.force:
+        with open(index, 'r') as f:
+            if '<meta name="generator" content="distribusi" />' in f.read():
+                return True
+            else:
+                if args.verbose:
+                    print(index, 'not generated by distribusi, skipping')
+                return False
+    elif args.force:
+        return True
+
+def write_index(args,index, html, html_head, html_footer):
+    with open(index, 'w') as f:
+        if not args.no_template:
+            if args.style:
+                fs = open(args.style, "r")
+                style = fs.read()
+                styled_html_head = html_head % style
+            else:
+                styled_html_head = html_head % ''
+            f.write(styled_html_head)
 
-    with open(index, 'r') as f:
-        if '<meta name="generator" content="distribusi" />' in f.read():
-            return True
-        else:
-            if args.verbose:
-                print(index, 'not generated by distribusi, skipping')
-            return False
+        for line in html:
+            f.write(line + '\n')
+
+        if not args.no_template:
+            f.write(html_footer)
 
 
 def distribusify(args, directory):  # noqa
@@ -153,23 +176,11 @@ def distribusify(args, directory):  # noqa
             index = os.path.join(root, 'index.html')
             if os.path.exists(index):
                 if check_distribusi_index(args, index):
-                    pass
-            else:
-                with open(os.path.join(root, 'index.html'), 'w') as f:
-                    if not args.no_template:
-                        if args.style:
-                            fs = open(args.style, "r")
-                            style = fs.read()
-                            styled_html_head = html_head % style
-                        else:
-                            styled_html_head = html_head % ''
-                        f.write(styled_html_head)
-
-                    for line in html:
-                        f.write(line + '\n')
-
-                    if not args.no_template:
-                        f.write(html_footer)
+                   write_index(args,index,html, html_head, html_footer)
+            elif not os.path.exists(index):
+                write_index(args,index,html, html_head, html_footer)
+
+
 
         if args.remove_index:
             index = os.path.join(root, 'index.html')