diff --git a/.functions b/.functions
index f1cc3480..731d491f 100644
--- a/.functions
+++ b/.functions
@@ -11,7 +11,7 @@ proj() {
 		return 1
 	fi
 	# POSIX mandates this external call to sed
-	projname="$(echo "$1" | sed 's/[^ a-zA-Z0-9.]//g')"
+	projname="$(echo "$1" | sed -re 's/[^ a-zA-Z0-9.-]//g')"
 	projdir="$HOME/Projects/$projname"
 	# Ensure we have a ~/Projects directory
 	mkdir -p "$HOME/Projects" > /dev/null 2>&1
@@ -44,7 +44,7 @@ _proj() {
 	[ "${#COMP_WORDS[@]}" != "2" ] && return 0
 	for dir in "$HOME"/Projects/*; do
 		reply="$(basename "$dir")"
-		reply="${reply//[^ a-zA-Z0-9.]/}"
+		reply="${reply//[^ \-a-zA-Z0-9.]/}"
 		# shellcheck disable=2179
 		COMPREPLY+=" $reply"
 	done