diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index db794f73679..dc0a893ff81 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2000-07-09  Zack Weinberg  <zack@wolery.cumb.org>
+
+	* cppexp.c (_cpp_parse_expr): Don't use unary plus.
+
 2000-07-09  Neil Booth  <NeilB@earthling.net>
 
 	* cpphash.h: ISvspace, is_vspace, is_nvspace: New.
diff --git a/gcc/cppexp.c b/gcc/cppexp.c
index 7e2c85a0e6a..31b740f0839 100644
--- a/gcc/cppexp.c
+++ b/gcc/cppexp.c
@@ -842,7 +842,7 @@ _cpp_parse_expr (pfile)
 	    case CPP_PLUS:
 	      if (!(top->flags & HAVE_VALUE))
 		{
-		  UNARY(+);
+		  UNARY(/* + */);	/* K+R C doesn't like unary + */
 		}
 	      else
 		{