1 files changed, 2 insertions, 2 deletions
diff --git a/apps/ble-scan.cpp b/apps/ble-scan.cpp
index 158af14..b148752 100644
--- a/apps/ble-scan.cpp
+++ b/apps/ble-scan.cpp
@@ -67,10 +67,10 @@ public:
             for_each(begin(seen_devices), end(seen_devices), [&](auto mac) { cout << mac.str() << endl; });
 
             return EXIT_SUCCESS;
-        } catch (std::runtime_error ex) {
+        } catch (std::runtime_error &ex) {
             cout << "std::runtime_error: " << ex.what() << endl;
             return EXIT_FAILURE;
-        } catch (std::exception ex) {
+        } catch (std::exception &ex) {
             cout << "std::exception: " << ex.what() << endl;
             return EXIT_FAILURE;
         }