diff --git a/src/slic3r/GUI/GLTexture.hpp b/src/slic3r/GUI/GLTexture.hpp
index 26829fa72..2c8941632 100644
--- a/src/slic3r/GUI/GLTexture.hpp
+++ b/src/slic3r/GUI/GLTexture.hpp
@@ -3,6 +3,7 @@
 
 #include <string>
 #include <vector>
+#include <thread>
 
 class wxImage;