diff --git a/Makefile.in b/Makefile.in
index a9c1619..6f70dca 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,6 +1,9 @@
 
 CC= @CC@
 CSTD= @CSTD@
+ifeq ($(OS),Windows_NT)
+	CSTD+= -Wno-pedantic-ms-format
+endif
 CFLAGS= $(CSTD) @CFLAGS@ @CPPFLAGS@ -DED25519_@ED25519IMPL@ @MYDEFS@
 ASFLAGS=
 LDFLAGS= @NOPIE@ @LDFLAGS@