diff --git a/appveyor.yml b/appveyor.yml
index 46b2cb41..0feebaf5 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -50,7 +50,7 @@ environment:
       WCHAR: 'ON'
       WCHAR_FILES: 'ON'
       BUILD_EXAMPLE: 'OFF'
-    - GENERATOR: '"Visual Studio 16 2019 -A x64"'
+    - GENERATOR: '"Visual Studio 16 2019" -A x64'
       BUILD_TYPE: Release
       BUILD_SHARED: 'ON'
       WCHAR: 'OFF'