diff --git a/matlab/get_error_message.m b/matlab/get_error_message.m
index a0baf2b4d0ad0b0168b4f28c65a50f600bc38df0..6cab297a62f8dde6cfc3a7e482a5caf67ba9f39a 100644
--- a/matlab/get_error_message.m
+++ b/matlab/get_error_message.m
@@ -166,6 +166,8 @@ switch info(1)
         message = 'Aim: A is NAN or INF.';
     case 164
         message = 'Aim: Problem in SPEIG.';
+    case 180
+        message = 'SMM: simulation resulted in NaN/Inf. You may need to enable pruning.';
     case 201
         message = 'Particle Filter: Initial covariance of the states is not positive definite. Try a different nonlinear_filter_initialization';
     case 202