diff --git a/procedures/phal/check_host_running.cpp b/procedures/phal/check_host_running.cpp
index 2ae3fba..d096193 100644
--- a/procedures/phal/check_host_running.cpp
+++ b/procedures/phal/check_host_running.cpp
@@ -42,7 +42,7 @@
     {
         phal_init();
     }
-    catch (std::exception& ex)
+    catch (const std::exception& ex)
     {
         // This should "never" happen so just throw the exception and let
         // our systemd error handling process this
@@ -119,7 +119,7 @@
     {
         phal_init();
     }
-    catch (std::exception& ex)
+    catch (const std::exception& ex)
     {
         // This should "never" happen so just throw the exception and let
         // our systemd error handling process this