diff --git a/windows/security/threat-protection/microsoft-defender-atp/linux-install-manually.md b/windows/security/threat-protection/microsoft-defender-atp/linux-install-manually.md
index 7353351968..84d747929e 100644
--- a/windows/security/threat-protection/microsoft-defender-atp/linux-install-manually.md
+++ b/windows/security/threat-protection/microsoft-defender-atp/linux-install-manually.md
@@ -153,7 +153,7 @@ In order to preview new features and provide early feedback, it is recommended t
 - Install the Microsoft GPG public key:
 
     ```bash
-    curl https://packages.microsoft.com/keys/microsoft.asc | apt-key add -
+    curl https://packages.microsoft.com/keys/microsoft.asc | sudo apt-key add -
     ```
 
 - Install the https driver if it's not already present: