diff --git a/src/SFML/Graphics/RenderImageImplFBO.cpp b/src/SFML/Graphics/RenderImageImplFBO.cpp
index b0083b81..db743626 100644
--- a/src/SFML/Graphics/RenderImageImplFBO.cpp
+++ b/src/SFML/Graphics/RenderImageImplFBO.cpp
@@ -130,6 +130,7 @@ bool RenderImageImplFBO::Activate(bool active)
 void RenderImageImplFBO::UpdateTexture(unsigned int)
 {
     // Nothing to do: the FBO draws directly to the target image
+    glFlush();
 }
 
 } // namespace priv