diff --git a/docs/rh-log.txt b/docs/rh-log.txt
index e2456dc821..cef2558a7f 100644
--- a/docs/rh-log.txt
+++ b/docs/rh-log.txt
@@ -1,4 +1,8 @@
-August 7, 2009
+August 8, 2009
+- Changed the return value of SetActivatorToTarget to match the description
+  in the wiki.
+
+August 7, 2009
 - If SetActivatorToTarget is used for a player-run script, and the player is
   alive, it now sets the activator to the actor the player is aiming at. I
   also noticed that this looked like it was a quick copy'n'paste job from
diff --git a/src/p_acs.cpp b/src/p_acs.cpp
index 507aa9f45d..fe5111c80b 100644
--- a/src/p_acs.cpp
+++ b/src/p_acs.cpp
@@ -2951,8 +2951,9 @@ int DLevelScript::CallFunction(int argCount, int funcIndex, SDWORD *args)
 			if (actor != NULL)
 			{
 				activator = actor;
+				return 1;
 			}
-			return activator != NULL;
+			return 0;
 
 		case ACSF_GetActorViewHeight:
 			actor = SingleActorFromTID(args[0], NULL);