diff --git a/src/playsim/p_acs.cpp b/src/playsim/p_acs.cpp
index b33a397b2..f6fcd47cb 100644
--- a/src/playsim/p_acs.cpp
+++ b/src/playsim/p_acs.cpp
@@ -9505,7 +9505,7 @@ scriptwait:
 				{
 					translation = new FRemapTable;
 					translation->MakeIdentity();
-					transi = i + 1;
+					transi = i - 1;
 				}
 			}
 			break;