diff --git a/clib/clib_pci.h b/clib/clib_pci.h
index aadf79b..0040523 100644
--- a/clib/clib_pci.h
+++ b/clib/clib_pci.h
@@ -19,7 +19,7 @@
 #define CLIB_PCI_H
 #include "clib.h"
 
-#if !defined(MSDOS)
+#if defined(__GNUC__) && !defined(__POSIX_UEFI__)
 #    include <pci/pci.h>
 static inline void libpci_init(struct pci_access *pacc) { pci_init(pacc); }
 static inline void libpci_scan_bus(struct pci_access *pacc) { pci_scan_bus(pacc); }