diff --git a/CHANGES b/CHANGES
index cad9b0cf..1eef11d2 100644
--- a/CHANGES
+++ b/CHANGES
@@ -32,6 +32,7 @@ SVN HEAD
                           Add Dallas DS75 detection
                           Add SMSC LPC47M292 detection
                           Add nVidia MCP61 and MCP65 detection
+                          Fix ADM1028 detection
 
 
 2.10.2 (20070115)
diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 8c34c657..7b7a4715 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -4351,10 +4351,10 @@ sub adm1022_detect
                 ($chip == 1 and $reg == 0x49) or
                 ($chip == 2 and $reg == 0x41);
   return unless (i2c_smbus_read_byte_data($file,0x40) & 0x80) == 0x00;
-  $reg = i2c_smbus_read_byte_data($file, 0x3f);
-  return unless ($reg & 0xc0) == 0xc0;
-  return if $chip == 0 and ($reg & 0xc0) != 0xc0;
-  return if $chip == 2 and ($reg & 0xc0) == 0xc0;
+  $reg = i2c_smbus_read_byte_data($file, 0x3f) & 0xf0;
+  return unless ($chip == 0 and $reg == 0xc0) or
+                ($chip == 1 and $reg == 0xc0) or
+                ($chip == 2 and $reg == 0xd0);
   return (8);
 }