diff --git a/plugins/com.minres.scviewer.database.fst/src/com/minres/scviewer/database/fst/FstFileParser.java b/plugins/com.minres.scviewer.database.fst/src/com/minres/scviewer/database/fst/FstFileParser.java
index 0b273fe..eaf3eb9 100644
--- a/plugins/com.minres.scviewer.database.fst/src/com/minres/scviewer/database/fst/FstFileParser.java
+++ b/plugins/com.minres.scviewer.database.fst/src/com/minres/scviewer/database/fst/FstFileParser.java
@@ -36,7 +36,7 @@ class FstFileParser {
 	    	// String version = FstLibrary.fstReaderGetVersionString(fst);
 	    	long endTime = FstLibrary.fstReaderGetEndTime(fst);
 	    	byte timeScale = FstLibrary.fstReaderGetTimescale(fst);
-	    	builder.setMaxTime(endTime, timeScale);
+	    	builder.setMaxTime(endTime, -timeScale);
 	    	FstLibrary.fstReaderIterateHierRewind(fst);
 	    	Pointer p = FstLibrary.fstReaderIterateHier(fst);
 	    	while(p!=null && !p.equals(Pointer.NULL)) {
diff --git a/plugins/com.minres.scviewer.database.ftr/src/com/minres/scviewer/database/ftr/FtrDbLoader.java b/plugins/com.minres.scviewer.database.ftr/src/com/minres/scviewer/database/ftr/FtrDbLoader.java
index d7ead39..a68dbb4 100644
--- a/plugins/com.minres.scviewer.database.ftr/src/com/minres/scviewer/database/ftr/FtrDbLoader.java
+++ b/plugins/com.minres.scviewer.database.ftr/src/com/minres/scviewer/database/ftr/FtrDbLoader.java
@@ -528,7 +528,7 @@ public class FtrDbLoader implements IWaveformDbLoader {
 		CborType next = cborDecoder.peekType();
 		while(next != null && !break_type.isEqualType(next)) {
 			long sz = cborDecoder.readArrayLength();
-			assert(sz==5);
+			assert(sz==5 || sz==3);
 			long type_id = cborDecoder.readInt();
 			long from_id = cborDecoder.readInt();
 			long to_id = cborDecoder.readInt();