diff --git a/configure b/configure
index bb69f6fa..e03e6022 100755
--- a/configure
+++ b/configure
@@ -3875,8 +3875,8 @@ abilist="standard"
 #
 cclist="gcc cc"
 
-gcc_cflags="-O3"
-gcc_64_cflags="-O3"
+gcc_cflags="-O2"
+gcc_64_cflags="-O2"
 cc_cflags="-O"
 cc_64_cflags="-O"