diff --git a/doc/manual/figures/lte-transmission.png b/doc/manual/figures/lte-transmission.png
new file mode 100644
index 000000000..e12b75f39
Binary files /dev/null and b/doc/manual/figures/lte-transmission.png differ
diff --git a/doc/manual/source/lte.rst b/doc/manual/source/lte.rst
index 3645542b1..16c808ce9 100644
--- a/doc/manual/source/lte.rst
+++ b/doc/manual/source/lte.rst
@@ -65,7 +65,7 @@ The figure below shows how UE and eNB can exchange packets through the considere
 
 .. _lte-transmission:
 
-.. figure:: figures/lte-transmission.*
+.. figure:: figures/lte-transmission.png
 
     DL and UL transmision on the LTE network