diff --git a/appveyor.yml b/appveyor.yml
index cd7af9e..8c98bdb 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -9,6 +9,8 @@ environment:
 install: 
   - git submodule update --init --recursive
   - if [%COMPILER%]==[MinGW-w64] set PATH=C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\bin;%PATH%
+  - cd C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\bin
+  - dir
 
 build_script:
   - if [%COMPILER%]==[MinGW-w64] cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=MinSizeRel -DCMAKE_SH=CMAKE_SH-NOTFOUND .