diff --git a/tacker/extensions/vnfm.py b/tacker/extensions/vnfm.py
index caddee9a4..bf7cc6d58 100644
--- a/tacker/extensions/vnfm.py
+++ b/tacker/extensions/vnfm.py
@@ -86,7 +86,7 @@ class ParamYAMLNotWellFormed(exceptions.InvalidInput):
 
 
 class InputValuesMissing(exceptions.InvalidInput):
-    message = _("Input values missing for 'get_input")
+    message = _("Parameter input values missing for the key '%(key)s'")
 
 
 class ParamYAMLInputMissing(exceptions.InvalidInput):
diff --git a/tacker/vm/drivers/heat/heat.py b/tacker/vm/drivers/heat/heat.py
index 3d600c877..5acdab6f3 100644
--- a/tacker/vm/drivers/heat/heat.py
+++ b/tacker/vm/drivers/heat/heat.py
@@ -111,13 +111,13 @@ class DeviceHeat(abstract_driver.DeviceAbstractDriver):
                         self._update_params(value, paramvalues[key], False)
                     else:
                         LOG.debug('Key missing Value: %s', key)
-                        raise vnfm.InputValuesMissing()
+                        raise vnfm.InputValuesMissing(key=key)
                 elif 'get_input' in value:
                     if value['get_input'] in paramvalues:
                         original[key] = paramvalues[value['get_input']]
                     else:
                         LOG.debug('Key missing Value: %s', key)
-                        raise vnfm.InputValuesMissing()
+                        raise vnfm.InputValuesMissing(key=key)
                 else:
                     self._update_params(value, paramvalues, True)