3 files changed, 13 insertions, 6 deletions
diff --git a/engines/pegasus/detection.cpp b/engines/pegasus/detection.cpp
index 8f0fa8eea5..071db4d6fe 100644
--- a/engines/pegasus/detection.cpp
+++ b/engines/pegasus/detection.cpp
@@ -58,6 +58,10 @@ bool PegasusEngine::isDVDDemo() const {
 	return isDemo() && isDVD();
 }
 
+bool PegasusEngine::isOldDemo() const {
+	return isDemo() && !isDVD();
+}
+
 } // End of namespace Pegasus
 
 static const PlainGameDescriptor pegasusGames[] = {
diff --git a/engines/pegasus/neighborhood/prehistoric/prehistoric.cpp b/engines/pegasus/neighborhood/prehistoric/prehistoric.cpp
index 5dbddb4404..d62b069e46 100644
--- a/engines/pegasus/neighborhood/prehistoric/prehistoric.cpp
+++ b/engines/pegasus/neighborhood/prehistoric/prehistoric.cpp
@@ -125,6 +125,13 @@ void Prehistoric::setUpAIRules() {
 			AIRule *rule = new AIRule(hasLogCondition, doneAction);
 			g_AIArea->addAIRule(rule);
 		} else {
+			AIPlayMessageAction *messageAction = new AIPlayMessageAction("Images/AI/Prehistoric/XP25W", false);
+			AIHasItemCondition *hasLogCondition = new AIHasItemCondition(kHistoricalLog);
+			AIRule *rule = new AIRule(hasLogCondition, messageAction);
+			g_AIArea->addAIRule(rule);
+		}
+
+		if (!_vm->isOldDemo()) {
 			AIPlayMessageAction *messageAction = new AIPlayMessageAction("Images/AI/Prehistoric/XP1NB", false);
 			AILocationCondition *locCondition = new AILocationCondition(1);
 			locCondition->addLocation(MakeRoomView(kPrehistoric16, kNorth));
@@ -159,11 +166,6 @@ void Prehistoric::setUpAIRules() {
 			AITimerCondition *timerCondition = new AITimerCondition(kPrehistoricWarningTimeLimit, 1, true);
 			rule = new AIRule(timerCondition, messageAction);
 			g_AIArea->addAIRule(rule);
-
-			messageAction = new AIPlayMessageAction("Images/AI/Prehistoric/XP25W", false);
-			AIHasItemCondition *hasLogCondition = new AIHasItemCondition(kHistoricalLog);
-			rule = new AIRule(hasLogCondition, messageAction);
-			g_AIArea->addAIRule(rule);
 		}
 	}
 }
@@ -595,7 +597,7 @@ Common::String Prehistoric::getEnvScanMovie() {
 	Common::String movieName = Neighborhood::getEnvScanMovie();
 
 	if (movieName.empty()) {
-		if (!_vm->isDemo()) {
+		if (!_vm->isOldDemo()) {
 			switch (GameState.getCurrentRoom()) {
 			case kPrehistoric16:
 			case kPrehistoric23:
diff --git a/engines/pegasus/pegasus.h b/engines/pegasus/pegasus.h
index e544517d53..5a9535017a 100644
--- a/engines/pegasus/pegasus.h
+++ b/engines/pegasus/pegasus.h
@@ -97,6 +97,7 @@ public:
 	bool isDemo() const;
 	bool isDVD() const;
 	bool isDVDDemo() const;
+	bool isOldDemo() const;
 	void addIdler(Idler *idler);
 	void removeIdler(Idler *idler);
 	void addTimeBase(TimeBase *timeBase);