diff --git a/mbts/SGSNGGSN/iputils.cpp b/mbts/SGSNGGSN/iputils.cpp
index 979ae3a..49bb0ff 100644
--- a/mbts/SGSNGGSN/iputils.cpp
+++ b/mbts/SGSNGGSN/iputils.cpp
@@ -466,7 +466,7 @@ EXPORT uint32_t *ip_findmyaddr()
 	const int maxaddrs = 5;
 	static uint32_t addrs[maxaddrs+1];
 	int n = 0;
-	int fd = runcmd("|/bin/hostname","hostname","-I", NULL);
+	int fd = runcmd("|/bin/hostname","hostname","-i", NULL);
 	if (fd < 0) {
 		failed:
 		addrs[0] = (unsigned) -1;	// converts to all 1s