diff --git a/README.md b/README.md
index 45ae935e..aa831de6 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ Target systems:
 * Install Vivado 2018.2 and Xilinx SDK from https://www.xilinx.com/support/download/index.html/content/xilinx/en/downloadNav/vivado-design-tools/archive.html.
   Install the Vivado Design Suite - HLx Editions - 2018.2  Full Product Installation instead of the updates. It is recommended to use the installer
 * Install settings: <br>
-  <img src="./doc/img/xilinx-install.png" width="50%"> <br>
+  <img src="./doc/img/xilinx-install.PNG" width="50%"> <br>
 * For supported OS refer to https://www.xilinx.com/support/documentation/sw_manuals/xilinx2018_2/ug973-vivado-release-notes-install-license.pdf
 * Add path of linux cross-compiler to environment variables SDK\2018.2\gnu\aarch32\nt\gcc-arm-linux-gnueabi\bin
 * Install make (only on windows, SDK on Linux can use the make installed with the SDK)