diff --git a/winsup/utils/ChangeLog b/winsup/utils/ChangeLog
index 743913077..69ff8e7bf 100644
--- a/winsup/utils/ChangeLog
+++ b/winsup/utils/ChangeLog
@@ -1,3 +1,8 @@
+2013-09-16  Christopher Faylor  <me.cygwin2013@cgf.cx>
+
+	* dump_setup.cc (find_tar_ext): Generalize search for .tar extension,
+	avoiding looking for specific compression types.
+
 2013-08-23  Christopher Faylor  <me.cygwin2013@cgf.cx>
 
 	* cygcheck.cc (package_grep): Accommodate arch-specific package layout.
diff --git a/winsup/utils/dump_setup.cc b/winsup/utils/dump_setup.cc
index ae5fc0446..002c91d9f 100644
--- a/winsup/utils/dump_setup.cc
+++ b/winsup/utils/dump_setup.cc
@@ -41,18 +41,13 @@ typedef struct
 static int
 find_tar_ext (const char *path)
 {
-  char *p = strchr (path, '\0') - 7;
+  char *p = strchr (path, '\0') - 9;
   if (p <= path)
     return 0;
-  if (*p == '.')
-    {
-      if (strcmp (p, ".tar.gz") != 0)
-	return 0;
-    }
-  else if (--p <= path || strcmp (p, ".tar.bz2") != 0)
+  if ((p = strstr (p, ".tar")) != NULL)
+    return p - path;
+  else
     return 0;
-
-  return p - path;
 }
 
 static char *