diff --git a/floppy/_download.cmd b/floppy/_download.cmd
index 230bd846..80dfdb7d 100644
--- a/floppy/_download.cmd
+++ b/floppy/_download.cmd
@@ -146,7 +146,7 @@ REM Every other method so far has failed entirely, so at this point there's
 REM nothing left to try but curl.exe which came for free with the build. We
 REM first need to locate it and make sure that it actually works.
 :check_curl
-if not defined CURL_OPTS ( set "CURL_OPTS=-L" ) else if defined CURL_OPTS ( set "CURL_OPTS=%CURL_OPTS% -L" )
+if not defined CURL_OPTS ( set "CURL_OPTS=-A '' -L" ) else if defined CURL_OPTS ( set "CURL_OPTS=%CURL_OPTS% -A '' -L" )
 if defined PACKER_DEBUG if not "%PACKER_DEBUG%" == "0" set "CURL_OPTS=%CURL_OPTS% --verbose"
 
 set curl=
diff --git a/script/ultradefrag.bat b/script/ultradefrag.bat
index 24fb0697..f75cde8b 100644
--- a/script/ultradefrag.bat
+++ b/script/ultradefrag.bat
@@ -14,8 +14,8 @@ if not defined PACKER_SEARCH_PATHS set PACKER_SEARCH_PATHS="%USERPROFILE%" a: b:
 if not defined SEVENZIP_32_URL set SEVENZIP_32_URL=http://7-zip.org/a/7z1604.msi
 if not defined SEVENZIP_64_URL set SEVENZIP_64_URL=http://www.7-zip.org/a/7z1604-x64.msi
 
-if not defined ULTRADEFRAG_32_URL set ULTRADEFRAG_32_URL=http://downloads.sourceforge.net/ultradefrag/ultradefrag-portable-7.0.2.bin.i386.zip
-if not defined ULTRADEFRAG_64_URL set ULTRADEFRAG_64_URL=http://downloads.sourceforge.net/ultradefrag/ultradefrag-portable-7.0.2.bin.amd64.zip
+if not defined ULTRADEFRAG_32_URL set ULTRADEFRAG_32_URL=http://downloads.sourceforge.net/project/ultradefrag/stable-release/7.0.2/ultradefrag-portable-7.0.2.bin.i386.zip
+if not defined ULTRADEFRAG_64_URL set ULTRADEFRAG_64_URL=http://downloads.sourceforge.net/project/ultradefrag/stable-release/7.0.2/ultradefrag-portable-7.0.2.bin.amd64.zip
 
 goto :main