diff --git a/LSL2/STPROC/OBJ_SAP.txt b/LSL2/STPROC/OBJ_SAP.txt
index 49e4431..54db258 100644
--- a/LSL2/STPROC/OBJ_SAP.txt
+++ b/LSL2/STPROC/OBJ_SAP.txt
@@ -1485,9 +1485,12 @@ CheckForErrors:
 			SftpError = True$
 		Case IndexC(stat, "error", 1)
 			SftpError = True$
+		Case IndexC(stat, "unknown command", 1)
+			SftpError = True$
 		Case Otherwise$
 			SftpError = False$
 	End Case
 
 return 
 
+