diff --git a/lib/libuinet/uinet_config.c b/lib/libuinet/uinet_config.c
index 5fbede0..d7a4045 100644
--- a/lib/libuinet/uinet_config.c
+++ b/lib/libuinet/uinet_config.c
@@ -85,7 +85,7 @@ int
 uinet_ifcreate(uinet_instance_t uinst, uinet_iftype_t type, const char *configstr,
 	       const char *alias, unsigned int cdom, int cpu, uinet_if_t *uif)
 {
-	struct uinet_if *new_uif;
+	struct uinet_if *new_uif = NULL;
 	int alias_len;
 	int error = 0;
 
diff --git a/lib/libuinet/uinet_host_sysctl_api.c b/lib/libuinet/uinet_host_sysctl_api.c
index f3e3de7..a1478cc 100644
--- a/lib/libuinet/uinet_host_sysctl_api.c
+++ b/lib/libuinet/uinet_host_sysctl_api.c
@@ -23,6 +23,7 @@
  * SUCH DAMAGE.
  */
 
+#define _BSD_SOURCE
 #include <assert.h>
 #include <pthread.h>
 #include <stdio.h>
@@ -41,7 +42,7 @@
 #include <sys/types.h>
 #include <sys/mman.h>
 
-#include "uinet_internal.h"
+#include "uinet_api.h"
 #include "uinet_nv.h"
 #include "uinet_host_sysctl_api.h"
 #include "uinet_host_sysctl_api_priv.h"