diff --git a/api/examples/get_example.py b/api/examples/get_example.py
index 27d3a9f20f09061990e00df5e23c86a728d9722f..e1ed4944158af5e0c9c0351a3942c93b01ef7306 100644
--- a/api/examples/get_example.py
+++ b/api/examples/get_example.py
@@ -28,10 +28,10 @@ def get_example(example_id):
         })
 
         example.validate()
-    except ModelConversionError, mce:
+    except ModelConversionError as mce:
         # ModelConversionError catches incorrect types
         app.logger.exception(mce.messages)
-    except ModelValidationError, mve:
+    except ModelValidationError as mve:
         # ModelValidationError catches validation errors
         app.logger.exception(mve.messages)