diff --git a/packages/debug/gdb/package.mk b/packages/debug/gdb/package.mk
index ffc3e7c934..bf171a1977 100644
--- a/packages/debug/gdb/package.mk
+++ b/packages/debug/gdb/package.mk
@@ -10,7 +10,7 @@ PKG_SITE="http://www.gnu.org/software/gdb/"
 PKG_URL="http://ftpmirror.gnu.org/gdb/$PKG_NAME-$PKG_VERSION.tar.xz"
 PKG_DEPENDS_TARGET="toolchain zlib ncurses expat"
 PKG_LONGDESC="GNU Project debugger, allows you to see what is going on inside another program while it executes."
-# gdb could fail on runtime if build with LTO support
+PKG_BUILD_FLAGS="+size"
 
 PKG_CONFIGURE_OPTS_TARGET="bash_cv_have_mbstate_t=set \
                            --disable-shared \