diff --git a/src/app/ui/timeline/timeline.cpp b/src/app/ui/timeline/timeline.cpp
index b6211f1cf..f59211596 100644
--- a/src/app/ui/timeline/timeline.cpp
+++ b/src/app/ui/timeline/timeline.cpp
@@ -138,6 +138,7 @@ Timeline::Timeline()
   , m_document(NULL)
   , m_sprite(NULL)
   , m_state(STATE_STANDBY)
+  , m_tagBands(0)
   , m_separator_x(100 * guiscale())
   , m_separator_w(1)
   , m_confPopup(NULL)
diff --git a/src/app/ui/timeline/timeline.h b/src/app/ui/timeline/timeline.h
index 6d3c89b4f..5c169f030 100644
--- a/src/app/ui/timeline/timeline.h
+++ b/src/app/ui/timeline/timeline.h
@@ -337,7 +337,7 @@ namespace app {
     std::vector<LayerInfo> m_layers;
 
     // Data used to display frame tags
-    int m_tagBands = 0;
+    int m_tagBands;
     std::map<FrameTag*, int> m_tagBand;
 
     int m_separator_x;