diff --git a/appveyor.yml b/appveyor.yml
index 61cbff191..94d1fdf5c 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,7 +6,7 @@ environment:
  CCACHE_CC: mingw32-gcc.exe
  CCACHE_PATH: C:\MinGW\bin
  WINDRES: windres
- MINGW_SDK: c:\MinGW
+ MINGW_SDK: c:\msys64\mingw32
  CFLAGS: -Wall -W -Werror
  NASM_ZIP: nasm-2.12.01
  NASM_URL: http://www.nasm.us/pub/nasm/releasebuilds/2.12.01/win64/nasm-2.12.01-win64.zip