Index: uspace/drv/bus/pci/pciintel/pci.c
===================================================================
--- uspace/drv/bus/pci/pciintel/pci.c	(revision 774aa33295605fdbbdcdc06516322c0665399f63)
+++ uspace/drv/bus/pci/pciintel/pci.c	(revision 587478b2be4192b088f4a64c8fde7adeec10d4eb)
@@ -63,5 +63,5 @@
 #define NAME "pciintel"
 
-#define CONF_ADDR_ENABLE	(1 << 31)
+#define CONF_ADDR_ENABLE	(((unsigned)1) << 31)
 #define CONF_ADDR(bus, dev, fn, reg) \
 	((bus << 16) | (dev << 11) | (fn << 8) | (reg & ~3))