diff --git a/src/vip_client/classes/VipSession.py b/src/vip_client/classes/VipSession.py
index 500bb0f..b20fa3f 100644
--- a/src/vip_client/classes/VipSession.py
+++ b/src/vip_client/classes/VipSession.py
@@ -1115,6 +1115,9 @@ def parse_value(input):
                         # We must use absolute paths to find the relative parts
                         input_dir = self._local_input_dir.resolve()
                         input_path = Path(input).resolve()
+                        # Check if input_path is a valid file
+                        if not input_path.exists():
+                            return input
                     else: # Return input if `_local_input_dir` is unset
                         return input
                 # Return the part of `input_path` that is relative to `input_dir` (if relevant)