diff --git a/bin/memprof b/bin/memprof
index dc8dc27..55b7cef 100755
--- a/bin/memprof
+++ b/bin/memprof
@@ -5,11 +5,8 @@ require 'optparse'
 require 'restclient'
 require 'term/ansicolor'
 
-MEMPROF_URL = "https://memprof.com/upload"
-
 MEMPROF_BANNER = <<-EOF
 Memprof Uploader
-http://www.memprof.com
 ======================
 
 EOF
@@ -25,6 +22,7 @@ class MemprofUploader
       opts.on("-p", "--pid <pid>", Integer, "PID of the process to dump       (required)")      {|arg| @pid = arg }
       opts.on("-n", "--name <name>",        "Name for your dump               (required)")      {|arg| @name = arg }
       opts.on("-k", "--key <key>",          "Memprof.com API key              (required)")      {|arg| @key = arg }
+      opts.on("-u", "--url <url>",          "Memprof.com application URL      (default https://memprof.com)") {|arg| @url = arg }
       opts.on("-d", "--[no-]delete",        "Delete dump file after uploading (default true)")  {|arg| @delete_dump = arg }
       opts.on("-s", "--seconds <seconds>",
                     Integer,                "Seconds to wait for the dump     (default 300)")   {|arg| @secs = arg }
@@ -61,10 +59,19 @@ class MemprofUploader
       end
     end
 
+    # Make this default to https://memprof.com if the user didn't pass custom application URL.
+    @url ||= "https://memprof.com"
+
+    unless @url =~ /^https?:\/\/(([a-z0-9\-]+\.)+[a-z]{2,4}|(\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}))(:\d+)?(\/.*)?$/i
+      fail_with("#{@url} does not look like a correct URL")
+    end
+
+    @upload_url = "#{@url}/upload"
+
     # Make this default to true if the user didn't pass any preference.
     @delete_dump = true if @delete_dump.nil?
 
-    # Make this default to 60 if the user didn't pass the number of seconds.
+    # Make this default to 300 if the user didn't pass the number of seconds.
     @secs ||= 300
 
     if @file
@@ -142,8 +149,8 @@ class MemprofUploader
 
     file = File.open(filename, "r")
 
-    puts "\nUploading to memprof.com..."
-    response = RestClient.post(MEMPROF_URL, :upload => file, :name => name, :key => key)
+    puts "\nUploading to #{@url}..."
+    response = RestClient.post(@upload_url, :upload => file, :name => name, :key => key)
 
     puts "Response from server:"
     p response.to_s
@@ -173,4 +180,4 @@ class MemprofUploader
 
 end
 
-MemprofUploader.new(ARGV).run!
\ No newline at end of file
+MemprofUploader.new(ARGV).run!