diff --git a/source/games/blood/src/ai.cpp b/source/games/blood/src/ai.cpp
index 1d23125c5..cc78a1d20 100644
--- a/source/games/blood/src/ai.cpp
+++ b/source/games/blood/src/ai.cpp
@@ -1660,7 +1660,7 @@ void aiProcessDudes(void)
 			if (pXSprite->aiState->moveFunc)
 				pXSprite->aiState->moveFunc(actor);
 
-			if (pXSprite->aiState->thinkFunc && (gFrameCount & 3) == (actor->GetIndex() & 3)) // ouch, ouch! :(
+			if (pXSprite->aiState->thinkFunc && (gFrameCount & 3) == (pSprite->index & 3)) // ouch, ouch! :(
 				pXSprite->aiState->thinkFunc(actor);
 		}