diff --git a/engines/zvision/script_manager.cpp b/engines/zvision/script_manager.cpp
index 21788874693..1a567397a8e 100644
--- a/engines/zvision/script_manager.cpp
+++ b/engines/zvision/script_manager.cpp
@@ -659,6 +659,10 @@ void ScriptManager::deserialize(Common::SeekableReadStream *stream) {
 		case MKTAG('T', 'I', 'M', 'R'): {
 			uint32 key = stream->readUint32LE();
 			uint32 time = stream->readUint32LE();
+			if (_engine->getGameId() == GID_GRANDINQUISITOR)
+				time /= 100;
+			else if (_engine->getGameId() == GID_NEMESIS)
+				time /= 1000;
 			addSideFX(new TimerNode(_engine, key, time));
 		}
 		break;
diff --git a/engines/zvision/timer_node.cpp b/engines/zvision/timer_node.cpp
index 0d7f9b11140..a94f6db19b6 100644
--- a/engines/zvision/timer_node.cpp
+++ b/engines/zvision/timer_node.cpp
@@ -70,7 +70,7 @@ void TimerNode::serialize(Common::WriteStream *stream) {
 	stream->writeUint32BE(MKTAG('T', 'I', 'M', 'R'));
 	stream->writeUint32LE(8); // size
 	stream->writeUint32LE(_key);
-	stream->writeUint32LE(_timeLeft / (_engine->getGameId() == GID_NEMESIS ? 1000 : 100));
+	stream->writeUint32LE(_timeLeft);
 }
 
 void TimerNode::deserialize(Common::SeekableReadStream *stream) {