Index: appveyor.yml
===================================================================
diff -u -rdf7f1017d33aed71222b15923eb78d70fb0d26bb -r5c433a5045d6fdcde0b8ecafbc99f5ba649e8699
--- appveyor.yml	(.../appveyor.yml)	(revision df7f1017d33aed71222b15923eb78d70fb0d26bb)
+++ appveyor.yml	(.../appveyor.yml)	(revision 5c433a5045d6fdcde0b8ecafbc99f5ba649e8699)
@@ -58,8 +58,8 @@
   - if "%TOOLCHAIN%" == "autoconf-tea" set PATH=C:\msys64\usr\bin;%PATH%
   # Needed to align MSYS and Windows HOME dirs
   - if "%TOOLCHAIN%" == "autoconf-tea" set HOME=C:\Users\appveyor
-  - if "%TOOLCHAIN%" == "autoconf-tea" bash -lc "cd && echo \"export PATH=/c/projects/nsf-2ylk0/mingw64/bin:/c/msys64/usr/bin:\$PATH; \" >> .profile"
-  # - if "%TOOLCHAIN%" == "autoconf-tea" bash -lc "cd && echo \"export PATH=/c/projects/nsf-2ylk0/mingw64/bin:\$PATH; alias make='mingw32-make'; shopt -s expand_aliases; \" >> .profile"
+  # - if "%TOOLCHAIN%" == "autoconf-tea" bash -lc "cd && echo \"export PATH=/c/projects/nsf-2ylk0/mingw64/bin:/c/msys64/usr/bin:\$PATH; \" >> .profile"
+  - if "%TOOLCHAIN%" == "autoconf-tea" bash -lc "cd && echo \"export PATH=/c/projects/nsf-2ylk0/mingw64/bin:\$PATH; export MSYSTEM=MINGW64; alias make='/c/msys64/usr/bin/make'; shopt -s expand_aliases; \" >> .profile"
   - if "%TOOLCHAIN%" == "nmake-tea" call "C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars64.bat"
   - if "%TOOLCHAIN%" == "autoconf-tea" bash -lc "sh --version"
   - if "%TOOLCHAIN%" == "autoconf-tea" bash -lc "make --version"