diff --git a/appveyor.yml b/appveyor.yml
index 9ee12a8..8cec5b6 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -6,9 +6,11 @@ environment:
     - COMPILER: MSVC15
     - COMPILER: MinGW-w64
 
-install: git submodule update --init --recursive
+install: 
+  - git submodule update --init --recursive
+  - if [%COMPILER%]==[MinGW-w64] set PATH=C:\mingw-w64\x86_64-7.3.0-posix-seh-rt_v5-rev0\bin;%PATH%
 
 build_script:
-  - if [%COMPILER%]==[MSVC15] cmake -G "Visual Studio 15 2017" -DCMAKE_BUILD_TYPE=MinSizeRel .
   - if [%COMPILER%]==[MinGW-w64] cmake -G "MinGW Makefiles" -DCMAKE_BUILD_TYPE=MinSizeRel -DCMAKE_SH=CMAKE_SH-NOTFOUND .
+  - if [%COMPILER%]==[MSVC15] cmake -G "Visual Studio 15 2017 Win64" -DCMAKE_BUILD_TYPE=MinSizeRel .
   - cmake --build .