diff --git a/drivers/net/wan/pci200syn.c b/drivers/net/wan/pci200syn.c
index ac4a599472478..abca13b2792a3 100644
--- a/drivers/net/wan/pci200syn.c
+++ b/drivers/net/wan/pci200syn.c
@@ -86,7 +86,7 @@ typedef struct card_s {
 	port_t ports[2];
 } card_t;
 
-#define get_port(card, port)	     (&card->ports[port])
+#define get_port(card, port)	     (&(card)->ports[port])
 #define sca_flush(card)		     (sca_in(IER0, card))
 
 static inline void new_memcpy_toio(char __iomem *dest, char *src, int length)