diff --git a/secure/lib/libcrypto/Makefile.inc b/secure/lib/libcrypto/Makefile.inc
index 02db4b559a7e..8b0ec13e4914 100644
--- a/secure/lib/libcrypto/Makefile.inc
+++ b/secure/lib/libcrypto/Makefile.inc
@@ -26,7 +26,7 @@ buildinf.h:  openssl/opensslconf.h openssl/headers-copied
 	echo "  /* auto-generated by crypto/Makefile.ssl for crypto/cversion.c */"; \
 	echo "  #define CFLAGS \"$(CC)\""; \
 	echo "  #define PLATFORM \"`uname -s`-`uname -m`\""; \
-	echo "  #define DATE \"`date`\""; \
+	echo "  #define DATE \"`LC_TIME=C date`\""; \
 	echo "#endif" ) > ${.TARGET}
 
 openssl/opensslconf.h:  ../libcrypto/opensslconf-${MACHINE_ARCH}.h