diff --git a/Makefile.org b/Makefile.org
index 8385cf05df16e4f02f899fa4ccf7db81976dc3b8..10058c6bc332aafff17b7d9b6ab5bcb3a6e44145 100644
--- a/Makefile.org
+++ b/Makefile.org
@@ -205,7 +205,9 @@ CLEARENV=	TOP= && unset TOP $${LIB+LIB} $${LIBS+LIBS}	\
 		$${SHAREDCMD+SHAREDCMD} $${SHAREDFLAGS+SHAREDFLAGS}	\
 		$${SHARED_LIB+SHARED_LIB} $${LIBEXTRAS+LIBEXTRAS}
 
-BUILDENV=	PLATFORM='$(PLATFORM)' PROCESSOR='$(PROCESSOR)' \
+# LC_ALL=C ensures that error [and other] messages are delivered in
+# same language for uniform treatment.
+BUILDENV=	LC_ALL=C PLATFORM='$(PLATFORM)' PROCESSOR='$(PROCESSOR)'\
 		CC='$(CC)' CFLAG='$(CFLAG)' 			\
 		AS='$(CC)' ASFLAG='$(CFLAG) -c'			\
 		AR='$(AR)' NM='$(NM)' RANLIB='$(RANLIB)'	\