diff --git a/drivers/platform/x86/compal-laptop.c b/drivers/platform/x86/compal-laptop.c
index 09dfa6f48a1a..ab610376fdad 100644
--- a/drivers/platform/x86/compal-laptop.c
+++ b/drivers/platform/x86/compal-laptop.c
@@ -226,7 +226,7 @@ static const unsigned char pwm_lookup_table[256] = {
 /* General access */
 static u8 ec_read_u8(u8 addr)
 {
-	u8 value;
+	u8 value = 0;
 	ec_read(addr, &value);
 	return value;
 }