diff --git a/appveyor.yml b/appveyor.yml
index e1f3ba6e4..b71866733 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -37,8 +37,8 @@ services:
 
   
 platform:
-  - x64
   - Win32
+  - x64
   
 # -------------------------------------------------------------------------------------------
 # building debug configuration doubles the round time and isn't so useful.
@@ -104,7 +104,9 @@ matrix:
 
 install:
   - C:\cygwin\setup-x86.exe -qnNdO -R C:/cygwin -s http://cygwin.mirror.constant.com -l C:/cygwin/var/cache/setup -P openssl-devel -P libiodbc-devel -P libiodbc2 -P odbc-mysql -P odbc-pgsql -P odbc-sqlite3 -P libmysqlclient-devel -P libsqlite3-devel 
-  - C:\cygwin64\setup-x86_64.exe -B -q -n -N -d -l C:/cygwin64/var/cache/setup -R c:\cygwin64 -s http://cygwin.mirror.constant.com  -P openssl-devel
+#
+# C:Cygwin64 is not yet available on Build Worker image.
+#  - C:\cygwin64\setup-x86_64.exe -B -q -n -N -d -l C:/cygwin64/var/cache/setup -R c:\cygwin64 -s http://cygwin.mirror.constant.com  -P openssl-devel
   
   - set POCO_BASE=%CD%
   - set PATH=C:\ProgramData\chocolatey\bin;%PATH%