diff --git a/testhal/KINETIS/FRDM-K20D50M/USB_SERIAL/usbcfg.c b/testhal/KINETIS/FRDM-K20D50M/USB_SERIAL/usbcfg.c
index 24a732f2..96bfdba8 100644
--- a/testhal/KINETIS/FRDM-K20D50M/USB_SERIAL/usbcfg.c
+++ b/testhal/KINETIS/FRDM-K20D50M/USB_SERIAL/usbcfg.c
@@ -284,7 +284,7 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
     chSysLockFromISR();
 
     /* Disconnection event on suspend.*/
-    sduDisconnectI(&SDU1);
+    sduSuspendHookI(&SDU1);
 
     chSysUnlockFromISR();
     return;
diff --git a/testhal/KINETIS/FRDM-KL25Z/USB_SERIAL/usbcfg.c b/testhal/KINETIS/FRDM-KL25Z/USB_SERIAL/usbcfg.c
index 30936407..fa5b4f42 100644
--- a/testhal/KINETIS/FRDM-KL25Z/USB_SERIAL/usbcfg.c
+++ b/testhal/KINETIS/FRDM-KL25Z/USB_SERIAL/usbcfg.c
@@ -284,7 +284,7 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
     chSysLockFromISR();
 
     /* Disconnection event on suspend.*/
-    sduDisconnectI(&SDU1);
+    sduSuspendHookI(&SDU1);
 
     chSysUnlockFromISR();
     return;
diff --git a/testhal/KINETIS/FRDM-KL26Z/USB_SERIAL/usbcfg.c b/testhal/KINETIS/FRDM-KL26Z/USB_SERIAL/usbcfg.c
index 30936407..fa5b4f42 100644
--- a/testhal/KINETIS/FRDM-KL26Z/USB_SERIAL/usbcfg.c
+++ b/testhal/KINETIS/FRDM-KL26Z/USB_SERIAL/usbcfg.c
@@ -284,7 +284,7 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
     chSysLockFromISR();
 
     /* Disconnection event on suspend.*/
-    sduDisconnectI(&SDU1);
+    sduSuspendHookI(&SDU1);
 
     chSysUnlockFromISR();
     return;
diff --git a/testhal/KINETIS/MCHCK/USB_SERIAL/usbcfg.c b/testhal/KINETIS/MCHCK/USB_SERIAL/usbcfg.c
index 30936407..fa5b4f42 100644
--- a/testhal/KINETIS/MCHCK/USB_SERIAL/usbcfg.c
+++ b/testhal/KINETIS/MCHCK/USB_SERIAL/usbcfg.c
@@ -284,7 +284,7 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
     chSysLockFromISR();
 
     /* Disconnection event on suspend.*/
-    sduDisconnectI(&SDU1);
+    sduSuspendHookI(&SDU1);
 
     chSysUnlockFromISR();
     return;
diff --git a/testhal/KINETIS/TEENSY3_x/USB_SERIAL/usbcfg.c b/testhal/KINETIS/TEENSY3_x/USB_SERIAL/usbcfg.c
index 30936407..fa5b4f42 100644
--- a/testhal/KINETIS/TEENSY3_x/USB_SERIAL/usbcfg.c
+++ b/testhal/KINETIS/TEENSY3_x/USB_SERIAL/usbcfg.c
@@ -284,7 +284,7 @@ static void usb_event(USBDriver *usbp, usbevent_t event) {
     chSysLockFromISR();
 
     /* Disconnection event on suspend.*/
-    sduDisconnectI(&SDU1);
+    sduSuspendHookI(&SDU1);
 
     chSysUnlockFromISR();
     return;