diff --git a/share/examples/etc/make.conf b/share/examples/etc/make.conf
index 61bc132bad5..c771805b95a 100644
--- a/share/examples/etc/make.conf
+++ b/share/examples/etc/make.conf
@@ -106,7 +106,7 @@
 # There is very little to gain by using higher optimization levels, and doing
 # so can cause problems.
 #
-#COPTFLAGS= -O -pipe
+#COPTFLAGS= -O2 -pipe
 #
 # Compare before install.
 #INSTALL+= -C