diff --git a/sys/include/net/ipv4/addr.h b/sys/include/net/ipv4/addr.h
index ea3ff83ed4..f668f925d9 100644
--- a/sys/include/net/ipv4/addr.h
+++ b/sys/include/net/ipv4/addr.h
@@ -47,6 +47,11 @@ extern "C" {
  */
 #define IPV4_ADDR_INIT(a, b, c, d) { .u8 = {a, b, c, d} }
 
+/**
+ * @brief   Static initializer for the loopback IPv4 address (127.0.0.1)
+ */
+#define IPV4_ADDR_LOOPBACK          IPV4_ADDR_INIT(127, 0, 0, 1)
+
 /**
  * @brief Data type to represent an IPv4 address.
  */