diff --git a/modules/device/src/libifm3d_device/discovery.hpp b/modules/device/src/libifm3d_device/discovery.hpp
index 0ee9705e..3abc93f4 100644
--- a/modules/device/src/libifm3d_device/discovery.hpp
+++ b/modules/device/src/libifm3d_device/discovery.hpp
@@ -365,7 +365,7 @@ namespace ifm3d
               {
                 shared_this->_CheckTimeout();
               }
-            catch (const std::system_error &err)
+            catch (const std::system_error& err)
               {
                 if (err.code().category() == asio::system_category() &&
                     err.code().value() == asio::error::bad_descriptor)
diff --git a/modules/framegrabber/src/libifm3d_framegrabber/frame_grabber_impl.hpp b/modules/framegrabber/src/libifm3d_framegrabber/frame_grabber_impl.hpp
index 299849c6..d638f353 100644
--- a/modules/framegrabber/src/libifm3d_framegrabber/frame_grabber_impl.hpp
+++ b/modules/framegrabber/src/libifm3d_framegrabber/frame_grabber_impl.hpp
@@ -694,7 +694,7 @@ ifm3d::FrameGrabber::Impl::ImageHandler()
               this->new_frame_callback_(frame);
             }
         }
-      catch (const ifm3d::Error &ex)
+      catch (const ifm3d::Error& ex)
         {
           // We might get empty frames when we requesting only algo debug but
           // also enable async notifications or async errors, so we just ignore
@@ -707,7 +707,7 @@ ifm3d::FrameGrabber::Impl::ImageHandler()
               LOG_WARNING("Bad image: {}", ex.message());
             }
         }
-      catch (const std::exception &ex)
+      catch (const std::exception& ex)
         {
           LOG_WARNING("Bad image: {}", ex.what());
         }