diff --git a/ninja b/ninja
index a337045fd..0d8726f09 100755
--- a/ninja
+++ b/ninja
@@ -36,7 +36,7 @@ case "$OS" in
     ;;
   Darwin)    exec "${THIS_DIR}/ninja-mac" "$@";;
   CYGWIN*)   exec cmd.exe /c $(cygpath -t windows $0).exe "$@";;
-  MINGW32*)  cmd.exe //c $0.exe "$@";;
+  MINGW*)    cmd.exe //c $0.exe "$@";;
   *)         echo "Unsupported OS ${OS}"
              print_help
              exit 1;;