diff --git a/parsl/executors/high_throughput/interchange.py b/parsl/executors/high_throughput/interchange.py
index <HASH>..<HASH> 100644
--- a/parsl/executors/high_throughput/interchange.py
+++ b/parsl/executors/high_throughput/interchange.py
@@ -81,8 +81,8 @@ class VersionMismatch(Exception):
 
     def __repr__(self):
         return "Manager version info {} does not match interchange version info {}, causing a critical failure".format(
-            self.interchange_version,
-            self.manager_version)
+            self.manager_version,
+            self.interchange_version)
 
     def __str__(self):
         return self.__repr__()
Fix incorrect order of manager and interchange versions in error text (#<I>)