diff --git a/src/kits/network/libnetapi/NetworkRoster.cpp b/src/kits/network/libnetapi/NetworkRoster.cpp
index d847f5a24a..3171aaffaf 100644
--- a/src/kits/network/libnetapi/NetworkRoster.cpp
+++ b/src/kits/network/libnetapi/NetworkRoster.cpp
@@ -114,6 +114,8 @@ BNetworkRoster::AddInterface(const char* name)
 	if (socket < 0)
 		return errno;
 
+	FileDescriptorCloser closer(socket);
+
 	ifaliasreq request;
 	memset(&request, 0, sizeof(ifaliasreq));
 	strlcpy(request.ifra_name, name, IF_NAMESIZE);
@@ -139,6 +141,8 @@ BNetworkRoster::RemoveInterface(const char* name)
 	if (socket < 0)
 		return errno;
 
+	FileDescriptorCloser closer(socket);
+
 	ifreq request;
 	strlcpy(request.ifr_name, name, IF_NAMESIZE);