diff --git a/qiskit_ibm_runtime/debugger/debugger.py b/qiskit_ibm_runtime/debugger/debugger.py
index 5bbbb465a..568f77774 100644
--- a/qiskit_ibm_runtime/debugger/debugger.py
+++ b/qiskit_ibm_runtime/debugger/debugger.py
@@ -106,10 +106,10 @@ def simulate(
             debugger = Debugger(backend)
 
             # Calculate the expectation values in the absence of noise
-            r_ideal = debugger.simulate(pubs, with_noise=True)
+            r_ideal = debugger.simulate(pubs, with_noise=False)
 
             # Calculate the expectation values in the presence of noise
-            r_noisy = debugger.simulate(pubs, with_noise=False)
+            r_noisy = debugger.simulate(pubs, with_noise=True)
 
             # Calculate the ratio between the two
             signal_to_noise_ratio = r_noisy[0]/r_ideal[1]