diff --git a/ChangeLog b/ChangeLog
index 1b9ed7f6c..7a63a2f1b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,6 @@
+2008-09-20  Stéphane Voltz <stef.dev@free.fr>
+	* backend/rts8891.c: fix typo in HP4400 variant detection
+
 2008-09-20  Stéphane Voltz <stef.dev@free.fr>
 	* backend/rts8891.c backend/rts8891_low.c backend/rts8891_low.h: more
 	fix for HP4400 head parking, 75 dpi support for another HP4400 sensor
diff --git a/backend/rts8891.c b/backend/rts8891.c
index 1b7843ef6..af639b4d3 100644
--- a/backend/rts8891.c
+++ b/backend/rts8891.c
@@ -3707,7 +3707,7 @@ init_device (struct Rts8891_Device *dev)
   /* initial sensor guess */
   val = dev->regs[0x44] + 256 * dev->regs[0x45];
   DBG (DBG_io, "init_device: R44/45=0x%04x\n", val);
-  if (dev->sensor == SENSOR_TYPE_4400 && val == 0x00)
+  if (dev->sensor == SENSOR_TYPE_4400 && val != 0x00)
     {
       dev->sensor = SENSOR_TYPE_4400_BARE;
       DBG (DBG_info, "init_device: changing to SENSOR_TYPE_4400_BARE\n");