diff --git a/sources/editor/ui/dynamictextfieldeditor.cpp b/sources/editor/ui/dynamictextfieldeditor.cpp
index fdbb57781..93e11d782 100644
--- a/sources/editor/ui/dynamictextfieldeditor.cpp
+++ b/sources/editor/ui/dynamictextfieldeditor.cpp
@@ -24,6 +24,7 @@
 #include "qetapp.h"
 #include "compositetexteditdialog.h"
 #include "alignmenttextdialog.h"
+#include <assert.h>
 
 #include <QPointer>
 #include <QGraphicsItem>