diff --git a/README.md b/README.md
index 20d7031..459dbc3 100644
--- a/README.md
+++ b/README.md
@@ -226,7 +226,7 @@ You may obtain a copy of the License at
 <p float="left">
   <img src="/images/image1.png" width=300 />
   <img src="/images/image4.png" width=300 />
-  <img src="/images/single_vfo_mode.jpg" width=600 />
+  <img src="/images/single_vfo_mode.png" width=600 />
 </p>
 
  <img src="/images/UV_K5_8_antenna.png" />
diff --git a/images/single_vfo_mode.jpg b/images/single_vfo_mode.jpg
deleted file mode 100644
index 6bc6b52..0000000
Binary files a/images/single_vfo_mode.jpg and /dev/null differ