1 files changed, 2 insertions, 1 deletions

diff --git a/src/w32.c b/src/w32.c
index e0a34060f0a..f9110853799 100644
--- a/src/w32.c
+++ b/src/w32.c
@@ -40,9 +40,10 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #include <sys/utime.h>
 #include <math.h>
 
-/* Include CRT headers *before* ms-w32.h.  */
+/* Include (most) CRT headers *before* ms-w32.h.  */
 #include <ms-w32.h>
 
+#include <string.h>     /* for strerror, needed by sys_strerror */
 #include <mbstring.h>   /* for _mbspbrk, _mbslwr, _mbsrchr, ... */
 
 #undef access