diff --git a/kernel/include/kernel/Storage/ATA/ATADefinitions.h b/kernel/include/kernel/Storage/ATA/ATADefinitions.h
index e02697fee..0ae0b5f5d 100644
--- a/kernel/include/kernel/Storage/ATA/ATADefinitions.h
+++ b/kernel/include/kernel/Storage/ATA/ATADefinitions.h
@@ -1,7 +1,9 @@
 #pragma once
 
-#define ATA_PROGIF_PRIMARY_NATIVE	(1 << 0)
-#define ATA_PROGIF_SECONDARY_NATIVE	(1 << 2)
+#define ATA_PROGIF_PRIMARY_NATIVE				(1 << 0)
+#define ATA_PROGIF_CAN_MODIFY_PRIMARY_NATIVE	(1 << 1)
+#define ATA_PROGIF_SECONDARY_NATIVE				(1 << 2)
+#define ATA_PROGIF_CAN_MODIFY_SECONDARY_NATIVE	(1 << 3)
 
 #define ATA_PORT_DATA				0x00
 #define ATA_PORT_ERROR				0x00
diff --git a/kernel/kernel/Storage/ATA/ATAController.cpp b/kernel/kernel/Storage/ATA/ATAController.cpp
index 8a451a187..1abc317a1 100644
--- a/kernel/kernel/Storage/ATA/ATAController.cpp
+++ b/kernel/kernel/Storage/ATA/ATAController.cpp
@@ -41,6 +41,20 @@ namespace Kernel
 
 		uint8_t prog_if = m_pci_device.read_byte(0x09);
 
+		if ((prog_if & ATA_PROGIF_CAN_MODIFY_PRIMARY_NATIVE) && (prog_if & ATA_PROGIF_PRIMARY_NATIVE))
+		{
+			prog_if &= ~ATA_PROGIF_PRIMARY_NATIVE;
+			m_pci_device.write_byte(0x09, prog_if);
+			dprintln("enabling compatibility mode for bus 1");
+		}
+
+		if ((prog_if & ATA_PROGIF_CAN_MODIFY_SECONDARY_NATIVE) && (prog_if & ATA_PROGIF_SECONDARY_NATIVE))
+		{
+			prog_if &= ~ATA_PROGIF_SECONDARY_NATIVE;
+			m_pci_device.write_byte(0x09, prog_if);
+			dprintln("enabling compatibility mode for bus 2");
+		}
+
 		if (!(prog_if & ATA_PROGIF_PRIMARY_NATIVE))
 		{
 			auto bus_or_error = ATABus::create(0x1F0, 0x3F6, 14);
@@ -54,7 +68,6 @@ namespace Kernel
 			dprintln("unsupported IDE ATABus in native mode");
 		}
 
-		// BUS 2
 		if (!(prog_if & ATA_PROGIF_SECONDARY_NATIVE))
 		{
 			auto bus_or_error = ATABus::create(0x170, 0x376, 15);