diff --git a/appveyor.yml b/appveyor.yml
index 29d0432b..db6b004f 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -198,7 +198,7 @@ environment:
       ARCHIVE_BASENAME: WIDE_x64
 
     - APPVEYOR_BUILD_WORKER_IMAGE: 'Visual Studio 2017'
-      ARCHITECTURE: amd64 -DPDC_GL_BUILD=ON
+      ARCHITECTURE: amd64
       CMAKE_ARGS: '-DPDC_UTF8=ON -DPDC_SDL2_BUILD=ON -DPDC_SDL2_DEPS_BUILD=ON -DPDC_GL_BUILD=ON'
       ARCHIVE_BASENAME: UTF8_x64