diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 2fc503c7..4e597ed8 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -210,13 +210,13 @@ use subs qw(lm78_detect lm78_isa_detect lm78_alias_detect lm75_detect
      {
        name => "Analog Devices ADM1021",
        driver => "adm1021",
-       i2c_addrs => [0x18..0x1b,0x29..0x2b,0x4c..0x4e],
+       i2c_addrs => [0x18..0x1a,0x29..0x2b,0x4c..0x4e],
        i2c_detect => sub { adm1021_detect 0, @_ },
      },
      {
        name => "Maxim MAX1617",
        driver => "adm1021",
-       i2c_addrs => [0x18..0x1b,0x29..0x2b,0x4c..0x4e],
+       i2c_addrs => [0x18..0x1a,0x29..0x2b,0x4c..0x4e],
        i2c_detect => sub { adm1021_detect 1, @_ },
      },
      {