diff --git a/multi/grlib-multi/uart.c b/multi/grlib-multi/uart.c
index cbdfde788..b3a334ae8 100644
--- a/multi/grlib-multi/uart.c
+++ b/multi/grlib-multi/uart.c
@@ -18,6 +18,7 @@
 #include <libtty.h>
 #include <stdlib.h>
 #include <stdatomic.h>
+#include <libklog.h>
 
 #include <sys/debug.h>
 #include <sys/file.h>
@@ -335,7 +336,22 @@ static void uart_ioctl(msg_t *msg, int dev)
 	inData = ioctl_unpack(msg, &req, NULL);
 	pid = ioctl_getSenderPid(msg);
 
-	err = libtty_ioctl(&uart_common.uart[dev].tty, pid, req, inData, &outData);
+	if (req == KIOEN) {
+#ifdef UART_CONSOLE_USER
+		if (dev == UART_CONSOLE_USER) {
+			libklog_enable((int)(intptr_t)inData);
+			err = EOK;
+		}
+		else {
+			err = -EINVAL;
+		}
+#else
+		err = -EINVAL;
+#endif
+	}
+	else {
+		err = libtty_ioctl(&uart_common.uart[dev].tty, pid, req, inData, &outData);
+	}
 
 	ioctl_setResponse(msg, req, err, outData);
 }
diff --git a/multi/mcxn94x-multi/uart.c b/multi/mcxn94x-multi/uart.c
index a20fcd3b4..af62405a3 100644
--- a/multi/mcxn94x-multi/uart.c
+++ b/multi/mcxn94x-multi/uart.c
@@ -348,7 +348,20 @@ static void uart_handleMsg(msg_t *msg, msg_rid_t rid, unsigned int major, unsign
 		case mtDevCtl:
 			in_data = ioctl_unpack(msg, &request, NULL);
 			pid = ioctl_getSenderPid(msg);
-			err = libtty_ioctl(&uart->tty_common, pid, request, in_data, &out_data);
+
+			if (request == KIOEN) {
+				if (uartPos[minor] == uart_common.ttyminor) {
+					libklog_enable((int)(intptr_t)in_data);
+					err = EOK;
+				}
+				else {
+					err = -EINVAL;
+				}
+			}
+			else {
+				err = libtty_ioctl(&uart->tty_common, pid, request, in_data, &out_data);
+			}
+
 			ioctl_setResponse(msg, request, err, out_data);
 			break;
 
diff --git a/tty/grlib-uart/grlib-uart.c b/tty/grlib-uart/grlib-uart.c
index 993cbd09d..6521de775 100644
--- a/tty/grlib-uart/grlib-uart.c
+++ b/tty/grlib-uart/grlib-uart.c
@@ -216,7 +216,13 @@ static void uart_ioctl(unsigned port, msg_t *msg)
 	inData = ioctl_unpack(msg, &req, NULL);
 	pid = ioctl_getSenderPid(msg);
 
-	err = libtty_ioctl(&uart_common.uart.tty, pid, req, inData, &outData);
+	if (req == KIOEN) {
+		libklog_enable((int)(intptr_t)inData);
+		err = EOK;
+	}
+	else {
+		err = libtty_ioctl(&uart_common.uart.tty, pid, req, inData, &outData);
+	}
 
 	ioctl_setResponse(msg, req, err, outData);
 }