diff --git a/appveyor.yml b/appveyor.yml
index 30ccd649..c0166c31 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -18,7 +18,7 @@ environment:
   matrix:
     # MinGW
     #- TARGET: i686-pc-windows-gnu
-    #- TARGET: x86_64-pc-windows-gnu
+    - TARGET: x86_64-pc-windows-gnu
 
     # MSVC
     #- TARGET: i686-pc-windows-msvc