diff --git a/mbox2web b/mbox2web
index 84c9a6b..1b2531e 100755
--- a/mbox2web
+++ b/mbox2web
@@ -76,28 +76,29 @@ def render_message(msg):
 def save_part(msg, disposition):
     content_type = msg.get_content_type()
     extension = {
-        "application/octet-stream":  ".bin",
-        "text/html":                 ".html",
-        "text/x-vcard":              ".vcf",
-        "text/plain":                ".txt",
-        "application/x-gzip":        ".gz", # more likely tar.gz, but we can't know without looking into it which we ain't
-        "image/gif":                 ".gif",
-        "text/x-c":                  ".c",
-        "application/x-perl":        ".pl",
-        "application/msword":        ".doc",
-        "application/ms-tnef":       ".ms-tnef",
-        "application/x-bzip2":       ".bz2", # more likely tar.bz2, but we can't know without looking into it which we ain't
-        "application/x-shellscript": ".sh",
-        "application/x-java-vm":     ".bin", # The only instances are mis-labelled
-        "image/png":                 ".png",
-        "application/pgp-keys":      ".pgp",
-        "application/x-gunzip":      ".gz", # that sort of makes sense, but not really
-        "image/jpeg":                ".jpg",
-        "text/x-python":             ".py",
-        "text/x-java":               ".java",
-        "application/x-sh":          ".sh",
-        "text/x-patch":              ".patch",
-        "text/x-c++src":             ".c++",
+        "application/octet-stream":     ".bin",
+        "text/html":                    ".html",
+        "text/x-vcard":                 ".vcf",
+        "text/plain":                   ".txt",
+        "application/x-gzip":           ".gz", # more likely tar.gz, but we can't know without looking into it which we ain't
+        "image/gif":                    ".gif",
+        "text/x-c":                     ".c",
+        "application/x-perl":           ".pl",
+        "application/msword":           ".doc",
+        "application/ms-tnef":          ".ms-tnef",
+        "application/x-bzip2":          ".bz2", # more likely tar.bz2, but we can't know without looking into it which we ain't
+        "application/x-shellscript":    ".sh",
+        "application/x-java-vm":        ".bin", # The only instances are mis-labelled
+        "image/png":                    ".png",
+        "application/pgp-keys":         ".pgp",
+        "application/x-gunzip":         ".gz", # that sort of makes sense, but not really
+        "image/jpeg":                   ".jpg",
+        "text/x-python":                ".py",
+        "text/x-java":                  ".java",
+        "application/x-sh":             ".sh",
+        "text/x-patch":                 ".patch",
+        "text/x-c++src":                ".c++",
+        "application/x-compressed-tar": ".tar.gz",
     }[content_type]
 
     name = msg.get_param("name") or "(data)"
@@ -364,6 +365,7 @@ def render_body(msg, extra=None):
         "multipart/related": render_multipart_related,
         "application/x-java-vm": render_application_octet_stream,
         "image/jpeg": render_image_jpeg,
+        "application/x-compressed-tar": render_application_octet_stream,
     }
     content_type = msg.get_content_type()
     content_disposition = msg.get_content_disposition()
diff --git a/templates/attachment_application_x-compressed-tar.html b/templates/attachment_application_x-compressed-tar.html
new file mode 100644
index 0000000..cf1ee16
--- /dev/null
+++ b/templates/attachment_application_x-compressed-tar.html
@@ -0,0 +1,9 @@
+<div class="partouter">
+    <div class="partheader">
+        application/x-compressed-tar
+    </div>
+    <div class="partinner">
+        <a href="{{url}}">{{name}}</a>
+    </div>
+</div>
+