diff --git a/profiler_gui/blocks_graphics_view.cpp b/profiler_gui/blocks_graphics_view.cpp
index 0b0e4dc..679c616 100644
--- a/profiler_gui/blocks_graphics_view.cpp
+++ b/profiler_gui/blocks_graphics_view.cpp
@@ -31,6 +31,7 @@
 #include <QGridLayout>
 #include <QFontMetrics>
 #include <QDebug>
+#include <QSignalBlocker>
 #include <math.h>
 #include <algorithm>
 #include "blocks_graphics_view.h"