diff --git a/rc/bashrc b/rc/bashrc
index 4d0ad692..4bc52bb1 100644
--- a/rc/bashrc
+++ b/rc/bashrc
@@ -312,6 +312,9 @@ fi
 
 ## -- End of aliases which are saved from Ubuntu default bashrc. --
 
+# Enable colours for diff when in terminal
+alias diff="diff --color=auto"
+
 # SSHGuard specific
 alias sshguard-show-bans="sshguard4-show-bans && sshguard6-show-bans"
 alias sshguard4-show-bans="sudo iptables -L sshguard --line-numbers"
diff --git a/rc/zshrc b/rc/zshrc
index 3dafcf65..40005e00 100644
--- a/rc/zshrc
+++ b/rc/zshrc
@@ -286,6 +286,9 @@ alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo
 
 ## -- End of aliases which are saved from Ubuntu default bashrc. --
 
+# Enable colours for diff when in terminal
+alias diff="diff --color=auto"
+
 # SSHGuard specific
 alias sshguard-show-bans="sshguard4-show-bans && sshguard6-show-bans"
 alias sshguard4-show-bans="sudo iptables -L sshguard --line-numbers"