1 files changed, 4 insertions, 0 deletions
diff --git a/builtin.c b/builtin.c
index 5b6e3755..c3e55596 100644
--- a/builtin.c
+++ b/builtin.c
@@ -125,6 +125,10 @@ efwrite(const void *ptr,
 	return;
 
 wrerror:
+#ifdef __MINGW32__
+	if (errno == 0 || errno == EINVAL)
+		w32_maybe_set_errno();
+#endif
 	/* die silently on EPIPE to stdout */
 	if (fp == stdout && errno == EPIPE)
 		gawk_exit(EXIT_FATAL);