diff --git a/src/Makefile b/src/Makefile
index 9c19281d80..5b25e033fa 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -2028,8 +2028,9 @@ proto: $(PRO_AUTO) $(PRO_MANUAL)
 # them as a list of individual flags.
 # The -E"gcc -E" argument must be separate to avoid problems with shell
 # quoting.
+# Strip -O2, it may cause cproto to write stderr to the file "2".
 CPROTO = cproto $(PROTO_FLAGS) -DPROTO \
-	 `echo '$(LINT_CFLAGS)' | sed -e 's/ -[a-z-]\+//g'`
+	 `echo '$(LINT_CFLAGS)' | sed -e 's/ -[a-z-]\+//g' -e 's/ -O[^ ]\+//g'`
 
 ### Would be nice if this would work for "normal" make.
 ### Currently it only works for (Free)BSD make.
diff --git a/src/version.c b/src/version.c
index 079657effb..bc3cbf3f88 100644
--- a/src/version.c
+++ b/src/version.c
@@ -794,6 +794,8 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    419,
 /**/
     418,
 /**/