diff --git a/shell/alias/emacs.sh b/shell/alias/emacs.sh
index 7984a4a..8bd77fc 100644
--- a/shell/alias/emacs.sh
+++ b/shell/alias/emacs.sh
@@ -1,4 +1,4 @@
-# short
-alias em="\
-emacs \
-"
+em() {
+	emacs \
+		"${@}"
+}
diff --git a/shell/alias/grep.sh b/shell/alias/grep.sh
index 73179dd..ab8e396 100644
--- a/shell/alias/grep.sh
+++ b/shell/alias/grep.sh
@@ -1,7 +1,8 @@
 # grep from current directory with regex
-alias g="\
-grep \
---directories \"recurse\" \
---line-number \
---regexp \
-"
+g() {
+	grep \
+		--directories "recurse" \
+		--line-number \
+		--regexp \
+		"${@}"
+}