diff --git a/src/os/darwin/darwin_sigar.c b/src/os/darwin/darwin_sigar.c
index ab184338..8438ade6 100644
--- a/src/os/darwin/darwin_sigar.c
+++ b/src/os/darwin/darwin_sigar.c
@@ -3340,7 +3340,7 @@ static char *get_hw_type(int type)
         return "vlan";
     case IFT_IEEE1394:
         return "firewire";
-#ifdef IFT_BRIDGE:
+#ifdef IFT_BRIDGE
     case IFT_BRIDGE:
         return "bridge";
 #endif