2 files changed, 2 insertions, 2 deletions

diff --git a/pyecsca/sca/re/rpa.py b/pyecsca/sca/re/rpa.py
index c7f2f1e..6e6da08 100644
--- a/pyecsca/sca/re/rpa.py
+++ b/pyecsca/sca/re/rpa.py
@@ -425,7 +425,7 @@ def _cached_fake_mult(
     mult_class: Type[ScalarMultiplier], mult_factory: Callable, params: DomainParameters
 ) -> ScalarMultiplier:
     fm = fake_mult(mult_class, mult_factory, params)
-    if fm.short_circuit:
+    if getattr(fm, "short_circuit", False):
         raise ValueError("The multiplier must not short-circuit.")
     return fm
 
diff --git a/pyecsca/sca/re/zvp.py b/pyecsca/sca/re/zvp.py
index 2b4de20..efa4ede 100644
--- a/pyecsca/sca/re/zvp.py
+++ b/pyecsca/sca/re/zvp.py
@@ -589,7 +589,7 @@ def _cached_fake_mult(
     mult_class: Type[ScalarMultiplier], mult_factory: Callable, params: DomainParameters
 ) -> ScalarMultiplier:
     fm = fake_mult(mult_class, mult_factory, params)
-    if fm.short_circuit:
+    if getattr(fm, "short_circuit", False):
         raise ValueError("The multiplier must not short-circuit.")
     return fm