diff --git a/autogen.sh b/autogen.sh
index 697ed919d2e..180e423c4d2 100755
--- a/autogen.sh
+++ b/autogen.sh
@@ -30,5 +30,5 @@ echo "----------------------------------------------------------------"
 echo "Initialized build system. For a common configuration please run:"
 echo "----------------------------------------------------------------"
 echo
-echo "./configure CFLAGS='-g -O0' $args"
+echo "./configure CFLAGS='-g -O1' $args"
 echo