fixed default_unit alias

diff --git a/base/.zshrc b/base/.zshrc
index 52e3c7eab316d0729ad0cff679b5dd3f8239f0ac..e68c85bf66dcd734552dc3c2617685644dffd04b 100644 (file)
--- a/base/.zshrc
+++ b/base/.zshrc
@@ -42,7 +42,7 @@ alias pa="$p"
 alias spa="sudo $p"
 unset p
 # sound source
-function s { sysctl hw.snd.default_unit${1:+=$1} }
+function s { sysctl hw.snd.default_unit${1:+\=$1} }
 # py venv
 alias va="source bin/activate"
 alias vd="deactivate"