diff --git a/configure b/configure
index b1c51165..4f096811 100755
--- a/configure
+++ b/configure
@@ -2467,7 +2467,7 @@ if test "$ac_cv_prog_CC" = "gcc"; then
 	if test "$with_debug" = yes; then
 		CFLAGS="${CFLAGS} -Wall"
 	else
-		CFLAGS="-O3 -Wall -fomit-frame-pointer"
+		CFLAGS="-O2 -Wall -fomit-frame-pointer"
 	fi
 fi
 if test "$on_qnx" = yes; then