diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 56de26c4..8262f3d1 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -1228,6 +1228,12 @@ use subs qw(mtp008_detect lm78_detect lm78_isa_detect lm78_alias_detect
        i2c_addrs => [0x4d..0x4e], # 0x4c is handled above
        i2c_detect => sub { lm90_detect 4, @_ },
      },
+     {
+       name => "National Semiconductor LM63",
+       driver => "lm90",
+       i2c_addrs => [0x4c],
+       i2c_detect => sub { lm90_detect 6, @_ },
+     },
      {
        name => "National Semiconductor LM92",
        driver => "lm92",
@@ -3041,7 +3047,7 @@ sub lm83_detect
 
 # $_[0]: Chip to detect
 #   (0 = LM90, 1=LM89/LM99, 2=LM86, 3=ADM1032, 4=MAX6657/MAX6658/MAX6659,
-#    5 = ADT7461)
+#    5 = ADT7461, 6 = LM63)
 # $_[1]: A reference to the file descriptor to access this chip.
 #        We may assume an i2c_set_slave_addr was already done.
 # $_[2]: Address
@@ -3101,6 +3107,12 @@ sub lm90_detect
     return if $mid != 0x41;     # Analog Devices
     return 8 if $cid == 0x61;   # ADT7461
   }
+  if ($chip == 6) {
+    return if ($conf & 0x18) != 0;
+    return if $rate > 0x09;
+    return if $mid != 0x01;     # National Semiconductor
+    return 8 if $cid == 0x41;   # LM63
+  }
   return;
 }