diff --git a/configure.ac b/configure.ac

index 6822f39..34e4a81 100644

--- a/configure.ac

+++ b/configure.ac

@@ -36,9 +36,9 @@ AC_CHECK_HEADERS(keyutils.h, , [AC_MSG_ERROR([keyutils.h header not found. You n

 #debug support - yes for a while

 PKG_ARG_ENABLE(debug, "yes", DEBUG, [Enable Debug support])

 if test $pkg_cv_enable_debug = yes; then

-	CFLAGS="$CFLAGS -g -O1 -Wall -Wstrict-prototypes -pipe"

+	CFLAGS="$CFLAGS -g -O2 -Wall -Wstrict-prototypes -pipe"

 else

-	CFLAGS="$CFLAGS -Wall -Wstrict-prototypes -pipe -fomit-frame-pointer"

+	CFLAGS="$CFLAGS -O2 -Wall -Wstrict-prototypes -pipe -fomit-frame-pointer"

 fi

 # for gcov

-- 

2.14.4