diff --git a/Tools/autotest/param_metadata/emit.py b/Tools/autotest/param_metadata/emit.py
index dd571216c6..e88eaed0fc 100644
--- a/Tools/autotest/param_metadata/emit.py
+++ b/Tools/autotest/param_metadata/emit.py
@@ -10,7 +10,7 @@ class Emit:
     def __init__(self, sitl=False):
         self.sitl = sitl
 
-    prog_values_field = re.compile(r"\s*(-?\w+:\w+)+,*")
+    prog_values_field = re.compile(r"-?\d*\.?\d+: ?[\w ]+,?")
 
     def close(self):
         pass