diff --git a/kernel/include/kernel/PCI.h b/kernel/include/kernel/PCI.h
index d222c954d..c787a87a1 100644
--- a/kernel/include/kernel/PCI.h
+++ b/kernel/include/kernel/PCI.h
@@ -20,6 +20,7 @@ namespace Kernel
 
 		uint8_t class_code() const { return m_class_code; }
 		uint8_t subclass() const { return m_subclass; }
+		uint8_t prog_if() const { return m_prog_if; }
 
 	private:
 		uint8_t m_bus;
@@ -28,6 +29,7 @@ namespace Kernel
 
 		uint8_t m_class_code;
 		uint8_t m_subclass;
+		uint8_t m_prog_if;
 	};
 
 	class PCI
diff --git a/kernel/kernel/DeviceManager.cpp b/kernel/kernel/DeviceManager.cpp
index 8ac851f81..6b2dfd9d2 100644
--- a/kernel/kernel/DeviceManager.cpp
+++ b/kernel/kernel/DeviceManager.cpp
@@ -31,7 +31,7 @@ namespace Kernel
 								controller = res.value();
 							break;
 						default:
-							dprintln("unsupported storage device (pci subclass {2H})", pci_device.subclass());
+							dprintln("unsupported storage device (pci {2H}.{2H}.{2H})", pci_device.class_code(), pci_device.subclass(), pci_device.prog_if());
 							break;
 					}
 
diff --git a/kernel/kernel/PCI.cpp b/kernel/kernel/PCI.cpp
index 73627f6bd..cd356d512 100644
--- a/kernel/kernel/PCI.cpp
+++ b/kernel/kernel/PCI.cpp
@@ -90,6 +90,7 @@ namespace Kernel
 		uint32_t type = read_word(0x0A);
 		m_class_code  = (uint8_t)(type >> 8);
 		m_subclass    = (uint8_t)(type);
+		m_prog_if     = read_byte(0x09);
 	}
 
 	uint32_t PCIDevice::read_dword(uint8_t offset) const