diff --git a/docs/arduino-ide/mac.md b/docs/arduino-ide/mac.md
index e8c4c6cc290..717d5ef3935 100644
--- a/docs/arduino-ide/mac.md
+++ b/docs/arduino-ide/mac.md
@@ -11,4 +11,11 @@ Installation instructions for Mac OS
   cd esp32/tools/ && \
   python get.py
   ```
+- If you get the error below. Install the command line dev tools with xcode-select --install and try the command above again:
+  
+```xcrun: error: invalid active developer path (/Library/Developer/CommandLineTools), missing xcrun at: /Library/Developer/CommandLineTools/usr/bin/xcrun```
+
+```xcode-select --install```
+
 - Restart Arduino IDE
+