diff --git a/src/fprime_gds/executables/utils.py b/src/fprime_gds/executables/utils.py
index eb7a88a0..78f8e451 100644
--- a/src/fprime_gds/executables/utils.py
+++ b/src/fprime_gds/executables/utils.py
@@ -124,8 +124,9 @@ def run_wrapped_application(arguments, logfile=None, env=None, launch_time=None)
                 )
         return child
     except Exception as exc:
-        msg = f"Failed to run application: {' '.join(arguments)}. Error: {exc}"
-        raise AppWrapperException(msg)
+        argument_strings = [str(argument) for argument in arguments]
+        message = f"Failed to run application: {' '.join(argument_strings)}. Error: {exc}"
+        raise AppWrapperException(message)
 
 
 def find_settings(path: Path) -> Path: