diff --git a/src/cmaclient.cpp b/src/cmaclient.cpp
index d539782..4d73b51 100644
--- a/src/cmaclient.cpp
+++ b/src/cmaclient.cpp
@@ -53,7 +53,7 @@ void CmaClient::connectUsb()
 {
     vita_device_t *vita;
 
-    qDebug("Starting usb_thread: 0x%016" PRIxPTR, (quintptr)QThread::currentThreadId());
+    qDebug("Starting usb_thread: 0x%016" PRIxPTR, (uintptr_t)QThread::currentThreadId());
 
     setActive(true);
 
@@ -84,7 +84,7 @@ void CmaClient::connectWireless()
     QTime now = QTime::currentTime();
     qsrand(now.msec());
 
-    qDebug("Starting wireless_thread: 0x%016" PRIxPTR, (quintptr)QThread::currentThreadId());
+    qDebug("Starting wireless_thread: 0x%016" PRIxPTR, (uintptr_t)QThread::currentThreadId());
 
     setActive(true);
 
diff --git a/src/cmaevent.cpp b/src/cmaevent.cpp
index f2dd082..8ab2731 100644
--- a/src/cmaevent.cpp
+++ b/src/cmaevent.cpp
@@ -39,7 +39,7 @@ CmaEvent::CmaEvent(vita_device_t *s_device) :
 
 void CmaEvent::process()
 {
-    qDebug("Starting event_thread: 0x%016" PRIxPTR, (quintptr)QThread::currentThreadId());
+    qDebug("Starting event_thread: 0x%016" PRIxPTR, (uintptr_t)QThread::currentThreadId());
 
     while(true) {
         sema.acquire();
diff --git a/src/main.cpp b/src/main.cpp
index 605006b..e21741e 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -89,7 +89,7 @@ int main(int argc, char *argv[])
         app.installTranslator(&translator);
     }
 
-    qDebug("Starting main thread: 0x%016" PRIxPTR, (quintptr)QThread::currentThreadId());
+    qDebug("Starting main thread: 0x%016" PRIxPTR, (uintptr_t)QThread::currentThreadId());
 
     // set the organization/application for QSettings to work properly
     app.setOrganizationName("qcma");