diff --git a/resources/coreboot/macbook11/board.cfg b/resources/coreboot/macbook11/board.cfg
index 68d0f0fa..66c5e565 100644
--- a/resources/coreboot/macbook11/board.cfg
+++ b/resources/coreboot/macbook11/board.cfg
@@ -5,3 +5,4 @@ payload_grub="y"
 payload_grub_withseabios="y"
 payload_seabios="y"
 payload_memtest="y"
+grub_scan_disk="ahci"
diff --git a/resources/coreboot/macbook11_16mb/board.cfg b/resources/coreboot/macbook11_16mb/board.cfg
index 68d0f0fa..66c5e565 100644
--- a/resources/coreboot/macbook11_16mb/board.cfg
+++ b/resources/coreboot/macbook11_16mb/board.cfg
@@ -5,3 +5,4 @@ payload_grub="y"
 payload_grub_withseabios="y"
 payload_seabios="y"
 payload_memtest="y"
+grub_scan_disk="ahci"
diff --git a/resources/coreboot/macbook21/board.cfg b/resources/coreboot/macbook21/board.cfg
index ec68265a..61f94f9c 100644
--- a/resources/coreboot/macbook21/board.cfg
+++ b/resources/coreboot/macbook21/board.cfg
@@ -5,3 +5,4 @@ payload_grub="y"
 payload_grub_withseabios="y"
 payload_seabios="y"
 payload_memtest="y"
+grub_scan_disk="ahci"
diff --git a/resources/coreboot/macbook21_16mb/board.cfg b/resources/coreboot/macbook21_16mb/board.cfg
index ec68265a..61f94f9c 100644
--- a/resources/coreboot/macbook21_16mb/board.cfg
+++ b/resources/coreboot/macbook21_16mb/board.cfg
@@ -5,3 +5,4 @@ payload_grub="y"
 payload_grub_withseabios="y"
 payload_seabios="y"
 payload_memtest="y"
+grub_scan_disk="ahci"