diff --git a/apps/usb_timer.cpp b/apps/usb_timer.cpp
index d14fa8965..d38599db2 100644
--- a/apps/usb_timer.cpp
+++ b/apps/usb_timer.cpp
@@ -12,6 +12,9 @@ USBTimer::USBTimer(AppsContainer * container) :
 bool USBTimer::fire() {
   bool needRedrawing = false;
   if (Ion::USB::isPlugged()) {
+    if (!m_previousPluggedState) {
+      Ion::USB::removeSoftDisconnect();
+    }
     if (!m_previousPluggedState && GlobalPreferences::sharedGlobalPreferences()->examMode() == GlobalPreferences::ExamMode::Activate) {
       m_container->displayExamModePopUp(false);
       needRedrawing = true;
diff --git a/ion/include/ion/usb.h b/ion/include/ion/usb.h
index f30aacbaa..db478b4cc 100644
--- a/ion/include/ion/usb.h
+++ b/ion/include/ion/usb.h
@@ -5,6 +5,7 @@ namespace Ion {
 namespace USB {
 
 bool isPlugged();
+void removeSoftDisconnect();
 void DFU();
 
 }
diff --git a/ion/src/device/usb.cpp b/ion/src/device/usb.cpp
index 84ee6838c..f33fa1b66 100644
--- a/ion/src/device/usb.cpp
+++ b/ion/src/device/usb.cpp
@@ -13,6 +13,10 @@ bool isPlugged() {
   return Device::VbusPin.group().IDR()->get(Device::VbusPin.pin());
 }
 
+void removeSoftDisconnect() {
+  OTG.DCTL()->setSDIS(false);
+}
+
 }
 }
 
diff --git a/ion/src/shared/dummy/usb.cpp b/ion/src/shared/dummy/usb.cpp
index bc077012e..aad90aed5 100644
--- a/ion/src/shared/dummy/usb.cpp
+++ b/ion/src/shared/dummy/usb.cpp
@@ -4,5 +4,8 @@ bool Ion::USB::isPlugged() {
   return false;
 }
 
+void Ion::USB::removeSoftDisconnect() {
+}
+
 void Ion::USB::DFU() {
 }