diff --git a/pm4py/algo/conformance/tokenreplay/diagnostics/duration_diagnostics.py b/pm4py/algo/conformance/tokenreplay/diagnostics/duration_diagnostics.py
index ba58e70c4..53830dd14 100644
--- a/pm4py/algo/conformance/tokenreplay/diagnostics/duration_diagnostics.py
+++ b/pm4py/algo/conformance/tokenreplay/diagnostics/duration_diagnostics.py
@@ -7,6 +7,7 @@
 from enum import Enum
 from pm4py.util import exec_utils
 from pm4py.util import constants
+from pm4py.objects.conversion.log import converter as log_converter
 
 
 class Parameters(Enum):
@@ -76,6 +77,8 @@ def diagnose_from_notexisting_activities(log, notexisting_activities_in_model, p
     if parameters is None:
         parameters = {}
 
+    log = log_converter.apply(log, variant=log_converter.Variants.TO_EVENT_LOG, parameters=parameters)
+
     timestamp_key = exec_utils.get_param_value(Parameters.TIMESTAMP_KEY, parameters, xes.DEFAULT_TIMESTAMP_KEY)
     diagnostics = {}
 
@@ -129,6 +132,8 @@ def diagnose_from_trans_fitness(log, trans_fitness, parameters=None):
     if parameters is None:
         parameters = {}
 
+    log = log_converter.apply(log, variant=log_converter.Variants.TO_EVENT_LOG, parameters=parameters)
+
     timestamp_key = exec_utils.get_param_value(Parameters.TIMESTAMP_KEY, parameters, xes.DEFAULT_TIMESTAMP_KEY)
     diagnostics = {}
 
diff --git a/pm4py/algo/conformance/tokenreplay/diagnostics/root_cause_analysis.py b/pm4py/algo/conformance/tokenreplay/diagnostics/root_cause_analysis.py
index 64e12de4f..5b560c5dd 100644
--- a/pm4py/algo/conformance/tokenreplay/diagnostics/root_cause_analysis.py
+++ b/pm4py/algo/conformance/tokenreplay/diagnostics/root_cause_analysis.py
@@ -6,6 +6,7 @@
 from pm4py.objects.log.obj import EventLog, Trace, Event
 from pm4py.objects.log.util import basic_filter
 from pm4py.util import exec_utils
+from pm4py.objects.conversion.log import converter as log_converter
 
 
 class Parameters(Enum):
@@ -128,6 +129,8 @@ def diagnose_from_trans_fitness(log, trans_fitness, parameters=None):
     if parameters is None:
         parameters = {}
 
+    log = log_converter.apply(log, variant=log_converter.Variants.TO_EVENT_LOG, parameters=parameters)
+
     diagnostics = {}
     string_attributes = exec_utils.get_param_value(Parameters.STRING_ATTRIBUTES, parameters, [])
     numeric_attributes = exec_utils.get_param_value(Parameters.NUMERIC_ATTRIBUTES, parameters, [])
@@ -209,6 +212,8 @@ def diagnose_from_notexisting_activities(log, notexisting_activities_in_model, p
     if parameters is None:
         parameters = {}
 
+    log = log_converter.apply(log, variant=log_converter.Variants.TO_EVENT_LOG, parameters=parameters)
+
     diagnostics = {}
     string_attributes = exec_utils.get_param_value(Parameters.STRING_ATTRIBUTES, parameters, [])
     numeric_attributes = exec_utils.get_param_value(Parameters.NUMERIC_ATTRIBUTES, parameters, [])