diff --git a/configure.ac b/configure.ac
index 8fb5ad32d7..c8cce85375 100644
--- a/configure.ac
+++ b/configure.ac
@@ -55,6 +55,7 @@ AC_CHECK_HEADERS([sys/select.h sys/param.h sys/types.h sys/time.h])
 # Avoid determining fds_bits on WIN32 hosts (not including cygwin)
 case $host_os in
 	mingw*)		fds_bits_found=true;;
+	msys*)		fds_bits_found=true;;
 	*)		fds_bits_found=false;;
 esac