5 files changed, 8 insertions, 8 deletions
diff --git a/tutorial/t11/cannon.cpp b/tutorial/t11/cannon.cpp
index a61b2bb68..c1b231ffc 100644
--- a/tutorial/t11/cannon.cpp
+++ b/tutorial/t11/cannon.cpp
@@ -5,7 +5,7 @@
 ****************************************************************/
 
 #include "cannon.h"
-#include <ntqtimer.h>
+#include <tqtimer.h>
 #include <ntqpainter.h>
 #include <ntqpixmap.h>
 
diff --git a/tutorial/t12/cannon.cpp b/tutorial/t12/cannon.cpp
index f3d05ca12..99864228e 100644
--- a/tutorial/t12/cannon.cpp
+++ b/tutorial/t12/cannon.cpp
@@ -5,10 +5,10 @@
 ****************************************************************/
 
 #include "cannon.h"
-#include <ntqtimer.h>
+#include <tqtimer.h>
 #include <ntqpainter.h>
 #include <ntqpixmap.h>
-#include <ntqdatetime.h>
+#include <tqdatetime.h>
 
 #include <math.h>
 #include <stdlib.h>
diff --git a/tutorial/t13/cannon.cpp b/tutorial/t13/cannon.cpp
index 9ca28f165..a9d785a6d 100644
--- a/tutorial/t13/cannon.cpp
+++ b/tutorial/t13/cannon.cpp
@@ -5,10 +5,10 @@
 ****************************************************************/
 
 #include "cannon.h"
-#include <ntqtimer.h>
+#include <tqtimer.h>
 #include <ntqpainter.h>
 #include <ntqpixmap.h>
-#include <ntqdatetime.h>
+#include <tqdatetime.h>
 
 #include <math.h>
 #include <stdlib.h>
diff --git a/tutorial/t14/cannon.cpp b/tutorial/t14/cannon.cpp
index 1feacd9b4..197689ff6 100644
--- a/tutorial/t14/cannon.cpp
+++ b/tutorial/t14/cannon.cpp
@@ -5,10 +5,10 @@
 ****************************************************************/
 
 #include "cannon.h"
-#include <ntqtimer.h>
+#include <tqtimer.h>
 #include <ntqpainter.h>
 #include <ntqpixmap.h>
-#include <ntqdatetime.h>
+#include <tqdatetime.h>
 
 #include <math.h>
 #include <stdlib.h>
diff --git a/tutorial/t15/main.cpp b/tutorial/t15/main.cpp
index 6fcbc1e72..595d17183 100644
--- a/tutorial/t15/main.cpp
+++ b/tutorial/t15/main.cpp
@@ -12,7 +12,7 @@
 
 #include <unistd.h>
 
-#include <ntqtimer.h>
+#include <tqtimer.h>
 #include <ntqeventloop.h>
 
 void WorkerObject::run()