diff --git a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
index 78019644ec35..309634c1cc20 100644
--- a/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
+++ b/drivers/platform/x86/hp/hp-bioscfg/bioscfg.c
@@ -85,7 +85,7 @@ int hp_get_string_from_buffer(u8 **buffer, u32 *buffer_size, char *dst, u32 dst_
 	 * bytes.
 	 */
 	conv_dst_size = size;
-	if (size > dst_size)
+	if (size >= dst_size)
 		conv_dst_size = dst_size - 1;
 
 	/*