diff --git a/artiq/examples/sim/al_spectroscopy.py b/artiq/examples/sim/al_spectroscopy.py
index d20d2934d..de1cc51cc 100644
--- a/artiq/examples/sim/al_spectroscopy.py
+++ b/artiq/examples/sim/al_spectroscopy.py
@@ -42,4 +42,4 @@ class AluminumSpectroscopy(EnvExperiment):
                     break
             if photon_count < self.photon_limit_low:
                 state_0_count += 1
-        return state_0_count
+        print(state_0_count)