diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index a7f6dce..4cdd2bc 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3610,7 +3610,7 @@
 	u16 cmd;
 	int rc;
 
-	WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) & (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)));
+	WARN_ON((flags & PCI_VGA_STATE_CHANGE_DECODES) && (command_bits & ~(PCI_COMMAND_IO|PCI_COMMAND_MEMORY)));
 
 	/* ARCH specific VGA enables */
 	rc = pci_set_vga_state_arch(dev, decode, command_bits, flags);