diff --git a/win32/appveyor.bat b/win32/appveyor.bat
index a384a8767d..09a9b656a4 100755
--- a/win32/appveyor.bat
+++ b/win32/appveyor.bat
@@ -115,7 +115,7 @@ c:\cygwin64\bin\file readtags.exe
 .\ctags --version || exit 1
 
 :: Run tests on msys2
-bash -lc "make check APPVEYOR=1"
+bash -lc "make check APPVEYOR=1 PYTHON=/usr/bin/python3"
 
 @echo off
 goto :eof
@@ -173,7 +173,7 @@ if "%normalbuild%-%ARCH%"=="yes-x64" (
   @echo Tests for msys2 x64 are skipped.
   exit 0
 )
-bash -lc "make check APPVEYOR=1"
+bash -lc "make check APPVEYOR=1 PYTHON=/usr/bin/python3"
 
 @echo off
 goto :eof