diff --git a/appveyor.yml b/appveyor.yml
index a1ac0dfc..69d35658 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,13 +1,24 @@
 environment:
   matrix:
-  - TARGET: x86_64-pc-windows-msvc
-    CHANNEL: nightly
   - TARGET: x86_64-pc-windows-msvc
     CHANNEL: stable
   - TARGET: i686-pc-windows-msvc
+    CHANNEL: stable
+  - TARGET: x86_64-pc-windows-gnu
+    CHANNEL: stable
+  - TARGET: i686-pc-windows-gnu
+    CHANNEL: stable
+  - TARGET: x86_64-pc-windows-msvc
+    CHANNEL: nightly
+  - TARGET: i686-pc-windows-msvc
+    CHANNEL: nightly
+  - TARGET: x86_64-pc-windows-gnu
     CHANNEL: nightly
   - TARGET: i686-pc-windows-gnu
     CHANNEL: nightly
+matrix:
+  allow_failures:
+    - CHANNEL: nightly
 install:
   - appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
   - rustup-init -yv --default-toolchain %CHANNEL% --default-host %TARGET%