diff --git a/README b/README
index f03f412..d11146e 100644
--- a/README
+++ b/README
@@ -74,7 +74,6 @@
    Sony UP-D897
    Sony UP-D898 series
    Sony UP-971AD
-   Sony UP-991AD
    Stryker SDP1000
 
   Work-in-progress Printers:
@@ -102,6 +101,7 @@
    Sony UP-CR20L (aka DNP DS-SL20)
    Sony UP-DR80
    Sony UP-970AD / UP-990AD
+   Sony UP-991AD
 
  ***************************************************************************
 
@@ -918,7 +918,7 @@
     Sony UP-DR80MD
     Stryker SDP1000
     Sony UP-D898 / UP-X898
-    Sony UP-971AD / UP-991AD
+    Sony UP-971AD
 
   Work-in-progress printers
 
@@ -926,6 +926,7 @@
 
   Work-in-progress printers (Lack USB PIDs)
 
+    Sony UP-991AD
     Sony UP-CR20L
     DNP DS-SL20
 
diff --git a/backend_sonyupdneo.c b/backend_sonyupdneo.c
index fb7915a..c998b1e 100644
--- a/backend_sonyupdneo.c
+++ b/backend_sonyupdneo.c
@@ -719,7 +719,7 @@ const struct dyesub_backend sonyupdneo_backend = {
 		{ 0x054c, 0x03c3, P_SONY_UPDR80, NULL, "sony-updr80md"},
 		{ 0x054c, 0x03c4, P_SONY_UPDR80, NULL, "stryker-sdp1000"},
 		{ 0x054c, 0x0873, P_SONY_UP9x1, NULL, "sony-up971ad"},
-		{ 0x054c, 0x0873, P_SONY_UP9x1, NULL, "sony-up991ad"},	// Dupe
+//		{ 0x054c, 0x0873, P_SONY_UP9x1, NULL, "sony-up991ad"},	// Dupe ?
 		{ 0, 0, 0, NULL, NULL}
 	}
 };
diff --git a/blacklist b/blacklist
index cd3a1b7..a9dda04 100644
--- a/blacklist
+++ b/blacklist
@@ -177,7 +177,7 @@
 # Sony UP-D898MD
 0x054c 0x0877 blacklist
 
-# Sony UP-971AD / UP-991AD
+# Sony UP-971AD
 0x054c 0x0873 blacklist
 
 # Sony UP-DR80