diff --git a/appveyor.yml b/appveyor.yml
index 982e617a0b..390476cc36 100644
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -7,17 +7,18 @@ version: "{branch}.{build}"
 environment:
   global:
     GOPATH: c:\gopath
-    CC: c:\mingw-w64\i686-5.3.0-posix-dwarf-rt_v4-rev0\mingw32\bin\gcc.exe
 
 install:
   - go version
-  - "%CC% --version"
+  - cd c:\gopath\src\github.com\ethereum\go-ethereum
+  - set MSYSTEM=MINGW64
+  - C:\msys64\usr\bin\bash -l -c "gcc --version"
 
 build_script:
-  - go run build\ci.go install
+  - C:\msys64\usr\bin\bash -l -c "go run build/ci.go install"
 
 test_script:
-  - go run build\ci.go test -vet -coverage
+  - C:\msys64\usr\bin\bash -l -c "go run build/ci.go test -vet -coverage"
 
 after_build:
   - go run build\ci.go archive -type zip