diff --git a/libctru/include/3ds/services/soc.h b/libctru/include/3ds/services/soc.h
index 26d68e8..b84f924 100644
--- a/libctru/include/3ds/services/soc.h
+++ b/libctru/include/3ds/services/soc.h
@@ -138,3 +138,10 @@ int SOCU_GetNetworkOpt(int level, NetworkOpt optname, void * optval, socklen_t *
  * @return error
  */
 int SOCU_GetIPInfo(struct in_addr *ip, struct in_addr *netmask, struct in_addr *broadcast);
+
+/**
+ * @brief Adds a global socket.
+ * @param sockfd   The socket fd.
+ * @return error
+ */
+int SOCU_AddGlobalSocket(int sockfd);
diff --git a/libctru/source/services/soc/soc_addglobalsocket.c b/libctru/source/services/soc/soc_addglobalsocket.c
new file mode 100644
index 0000000..267da30
--- /dev/null
+++ b/libctru/source/services/soc/soc_addglobalsocket.c
@@ -0,0 +1,21 @@
+#include "soc_common.h"
+#include <3ds/ipc.h>
+#include <3ds/result.h>
+
+int SOCU_AddGlobalSocket(int sockfd)
+{
+	u32 *cmdbuf = getThreadCommandBuffer();
+
+	sockfd = soc_get_fd(sockfd);
+	if(sockfd < 0) {
+		errno = -sockfd;
+		return -1;
+	}
+
+	cmdbuf[0] = IPC_MakeHeader(0x23,1,0); // 0x230040
+	cmdbuf[1] = (u32)sockfd;
+
+	int ret = svcSendSyncRequest(SOCU_handle);
+	if(R_FAILED(ret))return ret;
+	return cmdbuf[1];
+}