diff --git a/flashchips.c b/flashchips.c
index 0983f1d..83f6e96 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -2244,7 +2244,7 @@
 		.model_id	= SST_49LF020A,
 		.total_size	= 256,
 		.page_size	= 4 * 1024,
-		.tested		= TEST_UNTESTED,
+		.tested		= TEST_OK_PREW,
 		.probe		= probe_jedec,
 		.probe_timing	= 1,			/* 150 ns */ 
 		.erase		= erase_49lf040,