diff --git a/README.md b/README.md
index 28afa5b6e6d48dbd6a8acababa9f377ea93017c6..8dcebbc5a288d902932ba664426ee110ac6a1457 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,21 @@ $ cmake ..
 $ make
 $ sudo make install
 ```
-You should see a number of blocks installed in GRC under the **\[cdc\]** category.
+You should see a number of blocks installed in GRC under the **\[cdc\]** 
+category.
+
+If you are using the old Ubuntu VM (currently installed on EDS 12 computers),
+you also need to set the following environment variables in the terminal in
+order to access the installed gr-cdc module.
+
+```
+$ export PYTHONPATH=/usr/local/lib/python3/dist_packages/
+$ export LD_LIBRARY_PATH=/usr/local/lib/x86_64-linux-gnu/
+$ sudo ldconfig
+```
+
+Add these updates to your bash profile ('~/.bashrc') and you will not need to
+set these variables everytime you open a new terminal.
 
 ## Primary User Reference Code