diff --git a/appveyor.yml b/appveyor.yml
index 3d11467..b29c39d 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,19 +6,13 @@ environment:
 
   matrix:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-      GENERATOR: Visual Studio 16 2019 Win64
+      GENERATOR: Visual Studio 16 2019
+      ARCHITECTURE: Win64
       CONFIG: Release
       SHARED_LIBS: ON
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       GENERATOR: Visual Studio 16 2019
-      CONFIG: Release
-      SHARED_LIBS: ON
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-      GENERATOR: Visual Studio 16 2019 Win64
-      CONFIG: Release
-      SHARED_LIBS: OFF
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
-      GENERATOR: Visual Studio 16 2019
+      ARCHITECTURE: Win64
       CONFIG: Release
       SHARED_LIBS: OFF
 
@@ -33,7 +27,7 @@ before_build:
   - bash autogen.sh
   - mkdir build
   - cd build
-  - cmake .. -G "%GENERATOR%" -DBUILD_SHARED_LIBS=%SHARED_LIBS% -DCMAKE_INSTALL_PREFIX=../local
+  - cmake .. -G "%GENERATOR%" -A "%ARCHITECTURE%" -DBUILD_SHARED_LIBS=%SHARED_LIBS% -DCMAKE_INSTALL_PREFIX=../local
 
 build_script:
   - cmake --build . --config %CONFIG%