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-rw-r--r--host/lib/usrp/n230/n230_impl.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/host/lib/usrp/n230/n230_impl.cpp b/host/lib/usrp/n230/n230_impl.cpp
index 55aa917e0..9e4050648 100644
--- a/host/lib/usrp/n230/n230_impl.cpp
+++ b/host/lib/usrp/n230/n230_impl.cpp
@@ -426,7 +426,7 @@ void n230_impl::_initialize_property_tree(const fs_path& mb_path)
//------------------------------------------------------------------
// MiniSAS GPIO
//------------------------------------------------------------------
- for (const usrp::gpio_atr::gpio_attr_map_t::value_type attr :
+ for (const usrp::gpio_atr::gpio_attr_map_t::value_type& attr :
usrp::gpio_atr::gpio_attr_map) {
switch (attr.first) {
case usrp::gpio_atr::GPIO_SRC: