diff --git a/python/ql/test/experimental/dataflow/model-summaries/model_summaries.py b/python/ql/test/experimental/dataflow/model-summaries/model_summaries.py
index 498d445efdf..23cc4990aba 100644
--- a/python/ql/test/experimental/dataflow/model-summaries/model_summaries.py
+++ b/python/ql/test/experimental/dataflow/model-summaries/model_summaries.py
@@ -28,43 +28,43 @@ def SINK_F(x):
         print("OK")
 
 
-from Foo import identity
+from Foo import MS_identity
 
 # Simple summary
-tainted = identity(SOURCE)
+tainted = MS_identity(SOURCE)
 SINK(tainted)  # $ MISSING: flow="SOURCE, l:-1 -> tainted"
 
 # Lambda summary
-tainted_lambda = apply_lambda(lambda x: x + 1, SOURCE)
+tainted_lambda = MS_apply_lambda(lambda x: x + 1, SOURCE)
 SINK(tainted_lambda)  # $ MISSING: flow="SOURCE, l:-1 -> tainted_lambda"
 
 # A lambda that breaks the flow
-untainted_lambda = apply_lambda(lambda x: 1, SOURCE)
+untainted_lambda = MS_apply_lambda(lambda x: 1, SOURCE)
 SINK_F(untainted_lambda)
 
 # Collection summaries
-tainted_list = my_reversed([SOURCE])
+tainted_list = MS_reversed([SOURCE])
 SINK(tainted_list[0])  # $ MISSING: flow="SOURCE, l:-1 -> tainted_list[0]"
 
 # Complex summaries
 def add_colon(x):
     return x + ":"
 
-tainted_mapped = list_map(add_colon, [SOURCE])
+tainted_mapped = MS_list_map(add_colon, [SOURCE])
 SINK(tainted_mapped[0])  # $ MISSING: flow="SOURCE, l:-1 -> tainted_mapped[0]"
 
 def explicit_identity(x):
     return x
 
-tainted_mapped_explicit = list_map(explicit_identity, [SOURCE])
+tainted_mapped_explicit = MS_list_map(explicit_identity, [SOURCE])
 SINK(tainted_mapped_explicit[0])  # $ MISSING: flow="SOURCE, l:-1 -> tainted_mapped_explicit[0]"
 
-tainted_mapped_summary = list_map(identity, [SOURCE])
+tainted_mapped_summary = MS_list_map(MS_identity, [SOURCE])
 SINK(tainted_mapped_summary[0])  # $ MISSING: flow="SOURCE, l:-1 -> tainted_mapped_summary[0]"
 
-tainted_list = append_to_list([], SOURCE)
+tainted_list = MS_append_to_list([], SOURCE)
 SINK(tainted_list[0])  # $ MISSING: flow="SOURCE, l:-1 -> tainted_list[0]"
 
-from json import my_loads as json_loads
+from json import MS_loads as json_loads
 tainted_resultlist = json_loads(SOURCE)
 SINK(tainted_resultlist[0])  # $ MISSING: flow="SOURCE, l:-1 -> tainted_resultlist[0]"