diff --git a/kernel/chips/lm87.c b/kernel/chips/lm87.c
index 0f83953b..ad42d147 100644
--- a/kernel/chips/lm87.c
+++ b/kernel/chips/lm87.c
@@ -421,7 +421,9 @@ static int lm87_detect(struct i2c_adapter *adapter, int address,
 	/* Now, we do the remaining detection. */
 
 	if (kind < 0) {
-	    if ((lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80) != 0x00)
+		if (((lm87_read_value(new_client, LM87_REG_CONFIG) & 0x80)
+		     != 0x00) ||
+		    (lm87_read_value(new_client, LM87_REG_COMPANY_ID) != 0x02))
 	       goto ERROR1;
 	}