diff --git a/board/keymile/common/ivm.c b/board/keymile/common/ivm.c
index 9bc3c21c9c64f99d5ed3d9283b83d9791d24d0e4..eaa924f0e6a6aae6dc5706db1f38e4cf7c058848 100644
--- a/board/keymile/common/ivm.c
+++ b/board/keymile/common/ivm.c
@@ -163,7 +163,7 @@ static int ivm_findinventorystring(int type,
 		if (addr == INVENTORYDATASIZE) {
 			xcode = -1;
 			printf("Error end of string not found\n");
-		} else if ((size >= (maxlen - 1)) &&
+		} else if ((size > (maxlen - 1)) &&
 			   (buf[addr] != '\r')) {
 			xcode = -1;
 			printf("string too long till next CR\n");