diff --git a/.appveyor.yml b/.appveyor.yml
index a125ecf0c..3f7ab94d8 100644
--- a/.appveyor.yml
+++ b/.appveyor.yml
@@ -10,7 +10,7 @@ install:
   - ps: Push-AppveyorArtifact cygcheck.log
 build_script:
   - c:\msys64\usr\bin\sh.exe -lc "cd $APPVEYOR_BUILD_FOLDER; ./autogen.sh < /dev/null"
-  - c:\msys64\usr\bin\sh.exe -lc "cd $APPVEYOR_BUILD_FOLDER; ./configure --prefix=$APPVEYOR_BUILD_FOLDER/build --enable-openssl=/mingw64 < /dev/null"
+  - c:\msys64\usr\bin\sh.exe -lc "cd $APPVEYOR_BUILD_FOLDER; env CC=/mingw64/bin/x86_64-w64-mingw32-gcc.exe ./configure --prefix=$APPVEYOR_BUILD_FOLDER/build --enable-openssl=/mingw64 < /dev/null"
   - c:\msys64\usr\bin\sh.exe -lc "cd $APPVEYOR_BUILD_FOLDER; make -j2 < /dev/null"
   - c:\msys64\usr\bin\sh.exe -lc "cd $APPVEYOR_BUILD_FOLDER; make install < /dev/null"
   - c:\msys64\usr\bin\sh.exe -lc "cd $APPVEYOR_BUILD_FOLDER/build/bin; ./charybdis -version"