diff --git a/tests/fingerprint/fingerprinttest.py b/tests/fingerprint/fingerprinttest.py
index 836860b24d..708a0b38d1 100644
--- a/tests/fingerprint/fingerprinttest.py
+++ b/tests/fingerprint/fingerprinttest.py
@@ -409,6 +409,8 @@ def runSimulation(self, title, command, workingdir, resultdir):
                         raise Exception("Cannot parse fingerprint-related error message: " + err + "\nPattern: >>>"+pattern+'<<<')
             elif re.search("Simulation time limit reached", err):
                 pass
+            elif re.search(r"^<!> Warning: \d+ configuration entr(y|ies) had no effect", err):
+                pass  # OMNeT++ 6.5 unused-entry-check; not a simulation error
             else:
                 errorMsg += "\n" + err
                 wasError = True