diff --git a/src/api/sockets.c b/src/api/sockets.c
index 5afd109d..ac160415 100644
--- a/src/api/sockets.c
+++ b/src/api/sockets.c
@@ -413,7 +413,7 @@ lwip_recvfrom(int s, void *mem, int len, unsigned int flags,
     /* No data was left from the previous operation, so we try to get
     some from the network. */
     sock->lastdata = buf = netconn_recv(sock->conn);
-	LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: netconn_recv netbuf=%p\n", buf));
+    LWIP_DEBUGF(SOCKETS_DEBUG, ("lwip_recvfrom: netconn_recv netbuf=%p\n", buf));
 
     if (!buf) {
       /* We should really do some error checking here. */
diff --git a/src/api/tcpip.c b/src/api/tcpip.c
index 86a0abdf..9a8f651b 100644
--- a/src/api/tcpip.c
+++ b/src/api/tcpip.c
@@ -445,19 +445,19 @@ err_t
 tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg)
 {
   struct tcpip_msg *msg;
-   
-  if (mbox != SYS_MBOX_NULL) {
-	msg = memp_malloc(MEMP_TCPIP_MSG_API);
-	if (msg == NULL) {
-		return ERR_MEM;  
-	}      
 
-	msg->type = TCPIP_MSG_TIMEOUT;
-	msg->msg.tmo.msecs = msecs;
-	msg->msg.tmo.h = h;
-	msg->msg.tmo.arg = arg;
-	sys_mbox_post(mbox, msg);
-	return ERR_OK;
+  if (mbox != SYS_MBOX_NULL) {
+    msg = memp_malloc(MEMP_TCPIP_MSG_API);
+    if (msg == NULL) {
+      return ERR_MEM;
+    }
+
+    msg->type = TCPIP_MSG_TIMEOUT;
+    msg->msg.tmo.msecs = msecs;
+    msg->msg.tmo.h = h;
+    msg->msg.tmo.arg = arg;
+    sys_mbox_post(mbox, msg);
+    return ERR_OK;
   }
   return ERR_VAL;
 }