diff --git a/include/SFML/Graphics/Glyph.hpp b/include/SFML/Graphics/Glyph.hpp
index 05f78760a..cd6cfb946 100644
--- a/include/SFML/Graphics/Glyph.hpp
+++ b/include/SFML/Graphics/Glyph.hpp
@@ -46,7 +46,7 @@ public:
     /// \brief Default constructor
     ///
     ////////////////////////////////////////////////////////////
-    Glyph() : advance(0) {}
+    Glyph() : advance(0), lsbDelta(0), rsbDelta(0) {}
 
     ////////////////////////////////////////////////////////////
     // Member data