diff --git a/board_enable.c b/board_enable.c
index 2be8486..bfdd858 100644
--- a/board_enable.c
+++ b/board_enable.c
@@ -22,6 +22,7 @@
 
 #include <strings.h>
 #include <string.h>
+#include <stdbool.h>
 #include <stdlib.h>
 #include "flash.h"
 #include "programmer.h"
@@ -2303,7 +2304,7 @@
 static int p2_whitelist_laptop(void)
 {
 	is_laptop = 1;
-	laptop_ok = 1;
+	laptop_ok = true;
 	msg_pdbg("Whitelisted laptop detected.\n");
 	return 0;
 }
diff --git a/chipset_enable.c b/chipset_enable.c
index f781b16..e721661 100644
--- a/chipset_enable.c
+++ b/chipset_enable.c
@@ -810,7 +810,7 @@
 
 	/* Suppress unknown laptop warning if we booted from SPI. */
 	if (boot_buses & BUS_SPI)
-		laptop_ok = 1;
+		laptop_ok = true;
 
 	return 0;
 }
@@ -955,7 +955,7 @@
 
 	/* Suppress unknown laptop warning if we booted from SPI. */
 	if (!ret && (boot_buses & BUS_SPI))
-		laptop_ok = 1;
+		laptop_ok = true;
 
 _freepci_ret:
 	pci_free_dev(spi_dev);
@@ -1051,7 +1051,7 @@
 
 	/* Suppress unknown laptop warning if we booted from SPI. */
 	if (boot_buses & BUS_SPI)
-		laptop_ok = 1;
+		laptop_ok = true;
 
 	return 0;
 }
@@ -1640,7 +1640,7 @@
 
 	/* Suppress unknown laptop warning if we booted from SPI. */
 	if (!ret && want_spi)
-		laptop_ok = 1;
+		laptop_ok = true;
 
 	return ret;
 }
diff --git a/internal.c b/internal.c
index e630105..ca43550 100644
--- a/internal.c
+++ b/internal.c
@@ -119,7 +119,7 @@
 #endif
 
 int is_laptop = 0;
-int laptop_ok = 0;
+bool laptop_ok = false;
 
 static void internal_chip_writeb(const struct flashctx *flash, uint8_t val,
 				 chipaddr addr);
diff --git a/programmer.h b/programmer.h
index 24b37fb..2047b8e 100644
--- a/programmer.h
+++ b/programmer.h
@@ -271,7 +271,7 @@
 int rget_io_perms(void);
 #if CONFIG_INTERNAL == 1
 extern int is_laptop;
-extern int laptop_ok;
+extern bool laptop_ok;
 extern int force_boardenable;
 extern int force_boardmismatch;
 void probe_superio(void);