diff --git a/jade/expoutput.py b/jade/expoutput.py
index 02ae9a38..c3f77345 100644
--- a/jade/expoutput.py
+++ b/jade/expoutput.py
@@ -2316,7 +2316,7 @@ def _define_title(self, input: str, particle: str, quantity: str) -> str:
         return title
 
 
-class FNGCPBOutput(ExperimentalOutput):
+class FNGHCPBOutput(ExperimentalOutput):
     def _processMCNPdata(self, output: MCNPSimOutput) -> None:
         """
         Used to override parent function as this is not required.
diff --git a/jade/postprocess.py b/jade/postprocess.py
index af9e8a32..b610c3a6 100644
--- a/jade/postprocess.py
+++ b/jade/postprocess.py
@@ -187,7 +187,7 @@ def _get_output(action, code, testname, lib, session):
 
     elif testname == "FNG-HCPB":
         if action == "compare":
-            out = expo.FNGCPBOutput(lib, testname, session, multiplerun=True)
+            out = expo.FNGHCPBOutput(lib, testname, session, multiplerun=True)
         elif action == "pp":
             print(exp_pp_message)
             return False
diff --git a/tests/expoutput_test.py b/tests/expoutput_test.py
index 9d30e7e3..5911f28d 100644
--- a/tests/expoutput_test.py
+++ b/tests/expoutput_test.py
@@ -338,7 +338,7 @@ def test_fnghcpboutput(self, session_mock: MockUpSession):
         testname = "FNG-HCPB"
         os.makedirs(session_mock.path_comparison)
         os.makedirs(session_mock.path_single)
-        self.benchoutput_comp = expoutput.FNGCPBOutput(
+        self.benchoutput_comp = expoutput.FNGHCPBOutput(
             ["32c", "31c", "00c"], code, testname, session_mock, multiplerun=True
         )
         self.benchoutput_comp.compare()